113156507 has 4 divisors (see below), whose sum is σ = 113178960. Its totient is φ = 113134056.

The previous prime is 113156503. The next prime is 113156551. The reversal of 113156507 is 705651311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113156507 - 2² = 113156503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113156507.

It is not an unprimeable number, because it can be changed into a prime (113156503) 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, 233 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (28294740).

Almost surely, 2^113156507 is an apocalyptic number.

113156507 is a deficient number, since it is larger than the sum of its proper divisors (22453).

113156507 is an equidigital number, since it uses as much as digits as its factorization.

113156507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 113156507 is about 10637.5047356041. The cubic root of 113156507 is about 483.6819094160.

The spelling of 113156507 in words is "one hundred thirteen million, one hundred fifty-six thousand, five hundred seven".