113918863 has 2 divisors, whose sum is σ = 113918864. Its totient is φ = 113918862.

The previous prime is 113918821. The next prime is 113918867. The reversal of 113918863 is 368819311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113918863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113918867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56959431 + 56959432.

It is an arithmetic number, because the mean of its divisors is an integer number (56959432).

Almost surely, 2^113918863 is an apocalyptic number.

113918863 is a deficient number, since it is larger than the sum of its proper divisors (1).

113918863 is an equidigital number, since it uses as much as digits as its factorization.

113918863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 113918863 is about 10673.2779875725. The cubic root of 113918863 is about 484.7656968666.

It can be divided in two parts, 1139 and 18863, that added together give a palindrome (20002).

The spelling of 113918863 in words is "one hundred thirteen million, nine hundred eighteen thousand, eight hundred sixty-three".