113113939 has 2 divisors, whose sum is σ = 113113940. Its totient is φ = 113113938.

The previous prime is 113113919. The next prime is 113113961. The reversal of 113113939 is 939311311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113113939 - 2⁵ = 113113907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113113939.

It is not a weakly prime, because it can be changed into another prime (113113909) 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 as a sum of consecutive naturals, namely, 56556969 + 56556970.

It is an arithmetic number, because the mean of its divisors is an integer number (56556970).

Almost surely, 2^113113939 is an apocalyptic number.

113113939 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113939 is an equidigital number, since it uses as much as digits as its factorization.

113113939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187, while the sum is 31.

The square root of 113113939 is about 10635.5037022230. The cubic root of 113113939 is about 483.6212502033.

The spelling of 113113939 in words is "one hundred thirteen million, one hundred thirteen thousand, nine hundred thirty-nine".