109429056 has 280 divisors, whose sum is σ = 376184160. Its totient is φ = 31104000.

The previous prime is 109429043. The next prime is 109429079. The reversal of 109429056 is 650924901.

It is a super-2 number, since 2×109429056² = 23949436594102272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 109429056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1083406 + ... + 1083506.

Almost surely, 2^109429056 is an apocalyptic number.

109429056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109429056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188092080).

109429056 is an abundant number, since it is smaller than the sum of its proper divisors (266755104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109429056 is a wasteful number, since it uses less digits than its factorization.

109429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 109429056 is about 10460.8343835470. The cubic root of 109429056 is about 478.3115677902.

The spelling of 109429056 in words is "one hundred nine million, four hundred twenty-nine thousand, fifty-six".