239152013 has 2 divisors, whose sum is σ = 239152014. Its totient is φ = 239152012.

The previous prime is 239151973. The next prime is 239152019. The reversal of 239152013 is 310251932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227949604 + 11202409 = 15098^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 239152013 - 2¹² = 239147917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239152019) 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, 119576006 + 119576007.

It is an arithmetic number, because the mean of its divisors is an integer number (119576007).

Almost surely, 2^239152013 is an apocalyptic number.

It is an amenable number.

239152013 is a deficient number, since it is larger than the sum of its proper divisors (1).

239152013 is an equidigital number, since it uses as much as digits as its factorization.

239152013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 239152013 is about 15464.5405040046. The cubic root of 239152013 is about 620.7137228165.

The spelling of 239152013 in words is "two hundred thirty-nine million, one hundred fifty-two thousand, thirteen".