113858520 has 64 divisors (see below), whose sum is σ = 361674720. Its totient is φ = 28575744.

The previous prime is 113858497. The next prime is 113858543. The reversal of 113858520 is 25858311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113858497) and next prime (113858543).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25867 + ... + 29946.

Almost surely, 2^113858520 is an apocalyptic number.

113858520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113858520 is an abundant number, since it is smaller than the sum of its proper divisors (247816200).

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

113858520 is a wasteful number, since it uses less digits than its factorization.

113858520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55844 (or 55840 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 113858520 is about 10670.4507871036. The cubic root of 113858520 is about 484.6800880330.

The spelling of 113858520 in words is "one hundred thirteen million, eight hundred fifty-eight thousand, five hundred twenty".