113406239 has 2 divisors, whose sum is σ = 113406240. Its totient is φ = 113406238.

The previous prime is 113406199. The next prime is 113406247. The reversal of 113406239 is 932604311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113406239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113406299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56703119 + 56703120.

It is an arithmetic number, because the mean of its divisors is an integer number (56703120).

Almost surely, 2^113406239 is an apocalyptic number.

113406239 is a deficient number, since it is larger than the sum of its proper divisors (1).

113406239 is an equidigital number, since it uses as much as digits as its factorization.

113406239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 113406239 is about 10649.2365454055. The cubic root of 113406239 is about 484.0374703477.

The spelling of 113406239 in words is "one hundred thirteen million, four hundred six thousand, two hundred thirty-nine".