239709713 has 2 divisors, whose sum is σ = 239709714. Its totient is φ = 239709712.

The previous prime is 239709709. The next prime is 239709751. The reversal of 239709713 is 317907932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142253329 + 97456384 = 11927^2 + 9872^2 .

It is a cyclic number.

It is not a de Polignac number, because 239709713 - 2² = 239709709 is a prime.

It is not a weakly prime, because it can be changed into another prime (239709313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119854856 + 119854857.

It is an arithmetic number, because the mean of its divisors is an integer number (119854857).

Almost surely, 2^239709713 is an apocalyptic number.

It is an amenable number.

239709713 is a deficient number, since it is larger than the sum of its proper divisors (1).

239709713 is an equidigital number, since it uses as much as digits as its factorization.

239709713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 239709713 is about 15482.5615774651. The cubic root of 239709713 is about 621.1958475497.

The spelling of 239709713 in words is "two hundred thirty-nine million, seven hundred nine thousand, seven hundred thirteen".