113172840 has 96 divisors (see below), whose sum is σ = 401263200. Its totient is φ = 27434880.

The previous prime is 113172803. The next prime is 113172841. The reversal of 113172840 is 48271311.

It is not an unprimeable number, because it can be changed into a prime (113172841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10330 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (4179825).

Almost surely, 2^113172840 is an apocalyptic number.

113172840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113172840 is an abundant number, since it is smaller than the sum of its proper divisors (288090360).

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

113172840 is a wasteful number, since it uses less digits than its factorization.

113172840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28607 (or 28600 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 113172840 is about 10638.2724161398. The cubic root of 113172840 is about 483.7051798308.

The spelling of 113172840 in words is "one hundred thirteen million, one hundred seventy-two thousand, eight hundred forty".