113139379 has 2 divisors, whose sum is σ = 113139380. Its totient is φ = 113139378.

The previous prime is 113139373. The next prime is 113139409. The reversal of 113139379 is 973931311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113139379 - 2⁷ = 113139251 is a prime.

It is not a weakly prime, because it can be changed into another prime (113139373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56569689 + 56569690.

It is an arithmetic number, because the mean of its divisors is an integer number (56569690).

Almost surely, 2^113139379 is an apocalyptic number.

113139379 is a deficient number, since it is larger than the sum of its proper divisors (1).

113139379 is an equidigital number, since it uses as much as digits as its factorization.

113139379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309, while the sum is 37.

The square root of 113139379 is about 10636.6996291143. The cubic root of 113139379 is about 483.6575039208.

The spelling of 113139379 in words is "one hundred thirteen million, one hundred thirty-nine thousand, three hundred seventy-nine".