113444239 has 2 divisors, whose sum is σ = 113444240. Its totient is φ = 113444238.

The previous prime is 113444209. The next prime is 113444249. The reversal of 113444239 is 932444311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113444239 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 113444239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113444209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722119 + 56722120.

It is an arithmetic number, because the mean of its divisors is an integer number (56722120).

Almost surely, 2^113444239 is an apocalyptic number.

113444239 is a deficient number, since it is larger than the sum of its proper divisors (1).

113444239 is an equidigital number, since it uses as much as digits as its factorization.

113444239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 113444239 is about 10651.0205614298. The cubic root of 113444239 is about 484.0915278375.

The spelling of 113444239 in words is "one hundred thirteen million, four hundred forty-four thousand, two hundred thirty-nine".