113665959 has 48 divisors (see below), whose sum is σ = 184564224. Its totient is φ = 66830400.

The previous prime is 113665943. The next prime is 113665987. The reversal of 113665959 is 959566311.

It is not a de Polignac number, because 113665959 - 2⁴ = 113665943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113665939) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723909 + ... + 724065.

It is an arithmetic number, because the mean of its divisors is an integer number (3845088).

Almost surely, 2^113665959 is an apocalyptic number.

113665959 is a deficient number, since it is larger than the sum of its proper divisors (70898265).

113665959 is a wasteful number, since it uses less digits than its factorization.

113665959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 345 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 113665959 is about 10661.4238730106. The cubic root of 113665959 is about 484.4066986068.

The spelling of 113665959 in words is "one hundred thirteen million, six hundred sixty-five thousand, nine hundred fifty-nine".