China, Japan, Korea
Four is avoided across much of East Asia because 四 (four) is near-homophonous with 死 (death). The avoidance is not abstract: floor numbering routinely omits it, exactly as many Western buildings omit the thirteenth.
Smorfia napoletana'O puorcothe pig
Cultural interest — does not change your odds.
What the machines actually did with 4, across every lottery this site holds a long record for.
Across 5 lotteries that hold a 4, its average deviation from expectation is −0.62σ. Statistically ordinary, everywhere.
The one thing a belief about a number can measurably do is change how many people play it — and a jackpot shared more ways is worth less to each winner. That is the only real consequence, and it is arithmetic rather than folklore.