113697239 has 2 divisors, whose sum is σ = 113697240. Its totient is φ = 113697238.

The previous prime is 113697217. The next prime is 113697253. The reversal of 113697239 is 932796311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113697239 - 2¹² = 113693143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113697196 and 113697205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113697299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56848619 + 56848620.

It is an arithmetic number, because the mean of its divisors is an integer number (56848620).

Almost surely, 2^113697239 is an apocalyptic number.

113697239 is a deficient number, since it is larger than the sum of its proper divisors (1).

113697239 is an equidigital number, since it uses as much as digits as its factorization.

113697239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 113697239 is about 10662.8907431334. The cubic root of 113697239 is about 484.4511295339.

The spelling of 113697239 in words is "one hundred thirteen million, six hundred ninety-seven thousand, two hundred thirty-nine".