12564160139 has 2 divisors, whose sum is σ = 12564160140. Its totient is φ = 12564160138.

The previous prime is 12564160087. The next prime is 12564160151. The reversal of 12564160139 is 93106146521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12564160139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12564160339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282080069 + 6282080070.

It is an arithmetic number, because the mean of its divisors is an integer number (6282080070).

Almost surely, 2^12564160139 is an apocalyptic number.

12564160139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12564160139 is an equidigital number, since it uses as much as digits as its factorization.

12564160139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12564160139 in words is "twelve billion, five hundred sixty-four million, one hundred sixty thousand, one hundred thirty-nine".