239646313 has 2 divisors, whose sum is σ = 239646314. Its totient is φ = 239646312.

The previous prime is 239646307. The next prime is 239646359. The reversal of 239646313 is 313646932.

239646313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235100889 + 4545424 = 15333^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 239646313 - 2²⁵ = 206091881 is a prime.

It is not a weakly prime, because it can be changed into another prime (239646383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119823156 + 119823157.

It is an arithmetic number, because the mean of its divisors is an integer number (119823157).

Almost surely, 2^239646313 is an apocalyptic number.

It is an amenable number.

239646313 is a deficient number, since it is larger than the sum of its proper divisors (1).

239646313 is an equidigital number, since it uses as much as digits as its factorization.

239646313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 239646313 is about 15480.5139772554. The cubic root of 239646313 is about 621.1410767342.

The spelling of 239646313 in words is "two hundred thirty-nine million, six hundred forty-six thousand, three hundred thirteen".