12864313139 has 16 divisors (see below), whose sum is σ = 13362370560. Its totient is φ = 12375659520.

The previous prime is 12864313129. The next prime is 12864313157. The reversal of 12864313139 is 93131346821.

It is a cyclic number.

It is not a de Polignac number, because 12864313139 - 2⁴ = 12864313123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12864313096 and 12864313105.

It is not an unprimeable number, because it can be changed into a prime (12864313129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782707 + ... + 4785395.

It is an arithmetic number, because the mean of its divisors is an integer number (835148160).

Almost surely, 2^12864313139 is an apocalyptic number.

12864313139 is a deficient number, since it is larger than the sum of its proper divisors (498057421).

12864313139 is a wasteful number, since it uses less digits than its factorization.

12864313139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370.

The product of its digits is 93312, while the sum is 41.

The spelling of 12864313139 in words is "twelve billion, eight hundred sixty-four million, three hundred thirteen thousand, one hundred thirty-nine".