113787609 has 16 divisors (see below), whose sum is σ = 164119872. Its totient is φ = 69709248.

The previous prime is 113787593. The next prime is 113787629. The reversal of 113787609 is 906787311.

It is not a de Polignac number, because 113787609 - 2⁴ = 113787593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113787629) 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, 2427 + ... + 15279.

It is an arithmetic number, because the mean of its divisors is an integer number (10257492).

Almost surely, 2^113787609 is an apocalyptic number.

It is an amenable number.

113787609 is a deficient number, since it is larger than the sum of its proper divisors (50332263).

113787609 is a wasteful number, since it uses less digits than its factorization.

113787609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 113787609 is about 10667.1274952538. The cubic root of 113787609 is about 484.5794476733.

The spelling of 113787609 in words is "one hundred thirteen million, seven hundred eighty-seven thousand, six hundred nine".