12765000015139 has 4 divisors (see below), whose sum is σ = 12765296663424. Its totient is φ = 12764703366856.

The previous prime is 12765000015101. The next prime is 12765000015169. The reversal of 12765000015139 is 93151000056721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12765000015139 - 2²³ = 12764991626531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765000015169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148259587 + ... + 148345660.

It is an arithmetic number, because the mean of its divisors is an integer number (3191324165856).

Almost surely, 2^{12765000015139} is an apocalyptic number.

12765000015139 is a deficient number, since it is larger than the sum of its proper divisors (296648285).

12765000015139 is an equidigital number, since it uses as much as digits as its factorization.

12765000015139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296648284.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 12765000015139 in words is "twelve trillion, seven hundred sixty-five billion, fifteen thousand, one hundred thirty-nine".