512319139 has 2 divisors, whose sum is σ = 512319140. Its totient is φ = 512319138.

The previous prime is 512319127. The next prime is 512319151. The reversal of 512319139 is 931913215.

It is a balanced prime because it is at equal distance from previous prime (512319127) and next prime (512319151).

It is a cyclic number.

It is not a de Polignac number, because 512319139 - 2⁵ = 512319107 is a prime.

It is not a weakly prime, because it can be changed into another prime (512319179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256159569 + 256159570.

It is an arithmetic number, because the mean of its divisors is an integer number (256159570).

Almost surely, 2^512319139 is an apocalyptic number.

512319139 is a deficient number, since it is larger than the sum of its proper divisors (1).

512319139 is an equidigital number, since it uses as much as digits as its factorization.

512319139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 34.

The square root of 512319139 is about 22634.4679416151. The cubic root of 512319139 is about 800.1661837055.

The spelling of 512319139 in words is "five hundred twelve million, three hundred nineteen thousand, one hundred thirty-nine".