113776139 has 2 divisors, whose sum is σ = 113776140. Its totient is φ = 113776138.

The previous prime is 113776129. The next prime is 113776141. The reversal of 113776139 is 931677311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113776139 is a prime.

Together with 113776141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113776129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56888069 + 56888070.

It is an arithmetic number, because the mean of its divisors is an integer number (56888070).

Almost surely, 2^113776139 is an apocalyptic number.

113776139 is a deficient number, since it is larger than the sum of its proper divisors (1).

113776139 is an equidigital number, since it uses as much as digits as its factorization.

113776139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 38.

The square root of 113776139 is about 10666.5898486817. The cubic root of 113776139 is about 484.5631649601.

The spelling of 113776139 in words is "one hundred thirteen million, seven hundred seventy-six thousand, one hundred thirty-nine".