113558613 has 16 divisors (see below), whose sum is σ = 180566016. Its totient is φ = 62069040.

The previous prime is 113558609. The next prime is 113558617. The reversal of 113558613 is 316855311.

It is an interprime number because it is at equal distance from previous prime (113558609) and next prime (113558617).

It is not a de Polignac number, because 113558613 - 2² = 113558609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113558617) 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, 117073 + ... + 118038.

It is an arithmetic number, because the mean of its divisors is an integer number (11285376).

Almost surely, 2^113558613 is an apocalyptic number.

It is an amenable number.

113558613 is a deficient number, since it is larger than the sum of its proper divisors (67007403).

113558613 is a wasteful number, since it uses less digits than its factorization.

113558613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235144.

The product of its digits is 10800, while the sum is 33.

The square root of 113558613 is about 10656.3883656706. The cubic root of 113558613 is about 484.2541595358.

The spelling of 113558613 in words is "one hundred thirteen million, five hundred fifty-eight thousand, six hundred thirteen".