113905169 has 8 divisors (see below), whose sum is σ = 130244928. Its totient is φ = 97582320.

The previous prime is 113905163. The next prime is 113905193. The reversal of 113905169 is 961509311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113905169 - 2⁴ = 113905153 is a prime.

It is a super-2 number, since 2×113905169² = 25948775049837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113905163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18059 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (16280616).

Almost surely, 2^113905169 is an apocalyptic number.

It is an amenable number.

113905169 is a deficient number, since it is larger than the sum of its proper divisors (16339759).

113905169 is an equidigital number, since it uses as much as digits as its factorization.

113905169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 113905169 is about 10672.6364596570. The cubic root of 113905169 is about 484.7462717913.

The spelling of 113905169 in words is "one hundred thirteen million, nine hundred five thousand, one hundred sixty-nine".