113938889 has 2 divisors, whose sum is σ = 113938890. Its totient is φ = 113938888.

The previous prime is 113938871. The next prime is 113938897. The reversal of 113938889 is 988839311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106605625 + 7333264 = 10325^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 113938889 - 2⁸ = 113938633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113938829) 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, 56969444 + 56969445.

It is an arithmetic number, because the mean of its divisors is an integer number (56969445).

Almost surely, 2^113938889 is an apocalyptic number.

It is an amenable number.

113938889 is a deficient number, since it is larger than the sum of its proper divisors (1).

113938889 is an equidigital number, since it uses as much as digits as its factorization.

113938889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 50.

The square root of 113938889 is about 10674.2160836288. The cubic root of 113938889 is about 484.7941011442.

The spelling of 113938889 in words is "one hundred thirteen million, nine hundred thirty-eight thousand, eight hundred eighty-nine".