113685680 has 40 divisors (see below), whose sum is σ = 272851584. Its totient is φ = 44006400.

The previous prime is 113685653. The next prime is 113685727. The reversal of 113685680 is 86586311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20441 + ... + 25400.

Almost surely, 2^113685680 is an apocalyptic number.

113685680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113685680 is an abundant number, since it is smaller than the sum of its proper divisors (159165904).

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

113685680 is a wasteful number, since it uses less digits than its factorization.

113685680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45885 (or 45879 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 113685680 is about 10662.3487093604. The cubic root of 113685680 is about 484.4347117785.

The spelling of 113685680 in words is "one hundred thirteen million, six hundred eighty-five thousand, six hundred eighty".