113604157 has 4 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 113445436.

The previous prime is 113604137. The next prime is 113604203. The reversal of 113604157 is 751406311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751406311 = 593 ⋅1267127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113604157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113604137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78283 + ... + 79720.

It is an arithmetic number, because the mean of its divisors is an integer number (28440720).

Almost surely, 2^113604157 is an apocalyptic number.

It is an amenable number.

113604157 is a deficient number, since it is larger than the sum of its proper divisors (158723).

113604157 is an equidigital number, since it uses as much as digits as its factorization.

113604157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158722.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 113604157 is about 10658.5250855829. The cubic root of 113604157 is about 484.3188894670.

The spelling of 113604157 in words is "one hundred thirteen million, six hundred four thousand, one hundred fifty-seven".