113626109 has 4 divisors (see below), whose sum is σ = 113675100. Its totient is φ = 113577120.

The previous prime is 113626039. The next prime is 113626127. The reversal of 113626109 is 901626311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65254084 + 48372025 = 8078^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 113626109 - 2²⁰ = 112577533 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 (113626169) 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, 20834 + ... + 25715.

It is an arithmetic number, because the mean of its divisors is an integer number (28418775).

Almost surely, 2^113626109 is an apocalyptic number.

It is an amenable number.

113626109 is a deficient number, since it is larger than the sum of its proper divisors (48991).

113626109 is an equidigital number, since it uses as much as digits as its factorization.

113626109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48990.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 113626109 is about 10659.5548218488. The cubic root of 113626109 is about 484.3500828195.

It can be divided in two parts, 11362 and 6109, that added together give a palindrome (17471).

The spelling of 113626109 in words is "one hundred thirteen million, six hundred twenty-six thousand, one hundred nine".