113109439 has 2 divisors, whose sum is σ = 113109440. Its totient is φ = 113109438.

The previous prime is 113109397. The next prime is 113109457. The reversal of 113109439 is 934901311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113109439 - 2¹⁷ = 112978367 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 113109439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113109739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56554719 + 56554720.

It is an arithmetic number, because the mean of its divisors is an integer number (56554720).

Almost surely, 2^113109439 is an apocalyptic number.

113109439 is a deficient number, since it is larger than the sum of its proper divisors (1).

113109439 is an equidigital number, since it uses as much as digits as its factorization.

113109439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 113109439 is about 10635.2921445534. The cubic root of 113109439 is about 483.6148368337.

The spelling of 113109439 in words is "one hundred thirteen million, one hundred nine thousand, four hundred thirty-nine".