156109113 has 40 divisors (see below), whose sum is σ = 250461288. Its totient is φ = 96546816.

The previous prime is 156109097. The next prime is 156109127. The reversal of 156109113 is 311901651.

156109113 is a `hidden beast` number, since 1 + 561 + 0 + 91 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17740944 + 138368169 = 4212^2 + 11763^2 .

It is not a de Polignac number, because 156109113 - 2⁴ = 156109097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156109153) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99745 + ... + 101297.

Almost surely, 2^156109113 is an apocalyptic number.

It is an amenable number.

156109113 is a deficient number, since it is larger than the sum of its proper divisors (94352175).

156109113 is a wasteful number, since it uses less digits than its factorization.

156109113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 156109113 is about 12494.3632490816. The cubic root of 156109113 is about 538.4467401799.

The spelling of 156109113 in words is "one hundred fifty-six million, one hundred nine thousand, one hundred thirteen".