239214013 has 2 divisors, whose sum is σ = 239214014. Its totient is φ = 239214012.

The previous prime is 239213999. The next prime is 239214071. The reversal of 239214013 is 310412932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237838084 + 1375929 = 15422^2 + 1173^2 .

It is a cyclic number.

It is not a de Polignac number, because 239214013 - 2¹³ = 239205821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239214083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119607006 + 119607007.

It is an arithmetic number, because the mean of its divisors is an integer number (119607007).

Almost surely, 2^239214013 is an apocalyptic number.

It is an amenable number.

239214013 is a deficient number, since it is larger than the sum of its proper divisors (1).

239214013 is an equidigital number, since it uses as much as digits as its factorization.

239214013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 239214013 is about 15466.5449600097. The cubic root of 239214013 is about 620.7673580548.

Adding to 239214013 its reverse (310412932), we get a palindrome (549626945).

The spelling of 239214013 in words is "two hundred thirty-nine million, two hundred fourteen thousand, thirteen".