113915903 has 4 divisors (see below), whose sum is σ = 114641640. Its totient is φ = 113190168.

The previous prime is 113915881. The next prime is 113915939. The reversal of 113915903 is 309519311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113915903 - 2⁶ = 113915839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113915903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113915993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362633 + ... + 362946.

It is an arithmetic number, because the mean of its divisors is an integer number (28660410).

Almost surely, 2^113915903 is an apocalyptic number.

113915903 is a deficient number, since it is larger than the sum of its proper divisors (725737).

113915903 is an equidigital number, since it uses as much as digits as its factorization.

113915903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725736.

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 113915903 is about 10673.1393226173. The cubic root of 113915903 is about 484.7614982090.

The spelling of 113915903 in words is "one hundred thirteen million, nine hundred fifteen thousand, nine hundred three".