113381933 has 12 divisors (see below), whose sum is σ = 135112572. Its totient is φ = 94812480.

The previous prime is 113381923. The next prime is 113381953. The reversal of 113381933 is 339183311.

It can be written as a sum of positive squares in 2 ways, for example, as 49589764 + 63792169 = 7042^2 + 7987^2 .

It is not a de Polignac number, because 113381933 - 2⁶ = 113381869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113381933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113381923) 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 11 ways as a sum of consecutive naturals, for example, 26210 + ... + 30227.

It is an arithmetic number, because the mean of its divisors is an integer number (11259381).

Almost surely, 2^113381933 is an apocalyptic number.

It is an amenable number.

113381933 is a deficient number, since it is larger than the sum of its proper divisors (21730639).

113381933 is an equidigital number, since it uses as much as digits as its factorization.

113381933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56492 (or 56485 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 113381933 is about 10648.0952756819. The cubic root of 113381933 is about 484.0028871376.

The spelling of 113381933 in words is "one hundred thirteen million, three hundred eighty-one thousand, nine hundred thirty-three".