113309169 has 4 divisors (see below), whose sum is σ = 151078896. Its totient is φ = 75539444.

The previous prime is 113309159. The next prime is 113309237. The reversal of 113309169 is 961903311.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 113309169 - 2⁴ = 113309153 is a prime.

It is a super-2 number, since 2×113309169² = 25677935558941122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113309129) 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, 18884859 + ... + 18884864.

It is an arithmetic number, because the mean of its divisors is an integer number (37769724).

Almost surely, 2^113309169 is an apocalyptic number.

It is an amenable number.

113309169 is a deficient number, since it is larger than the sum of its proper divisors (37769727).

113309169 is an equidigital number, since it uses as much as digits as its factorization.

113309169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37769726.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 113309169 is about 10644.6779660072. The cubic root of 113309169 is about 483.8993270680.

The spelling of 113309169 in words is "one hundred thirteen million, three hundred nine thousand, one hundred sixty-nine".