113645140 has 48 divisors (see below), whose sum is σ = 273369600. Its totient is φ = 38875392.

The previous prime is 113645089. The next prime is 113645141. The reversal of 113645140 is 41546311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113645141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100096 + ... + 101224.

It is an arithmetic number, because the mean of its divisors is an integer number (5695200).

Almost surely, 2^113645140 is an apocalyptic number.

113645140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113645140 is an abundant number, since it is smaller than the sum of its proper divisors (159724460).

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

113645140 is a wasteful number, since it uses less digits than its factorization.

113645140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 113645140 is about 10660.4474577759. The cubic root of 113645140 is about 484.3771222384.

The spelling of 113645140 in words is "one hundred thirteen million, six hundred forty-five thousand, one hundred forty".