15307973139 has 16 divisors (see below), whose sum is σ = 20574780192. Its totient is φ = 10123542528.

The previous prime is 15307973129. The next prime is 15307973251. The reversal of 15307973139 is 93137970351.

It is not a de Polignac number, because 15307973139 - 2⁹ = 15307972627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15307973129) 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, 166939 + ... + 241835.

It is an arithmetic number, because the mean of its divisors is an integer number (1285923762).

Almost surely, 2^15307973139 is an apocalyptic number.

15307973139 is a deficient number, since it is larger than the sum of its proper divisors (5266807053).

15307973139 is a wasteful number, since it uses less digits than its factorization.

15307973139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75446.

The product of its (nonzero) digits is 535815, while the sum is 48.

The spelling of 15307973139 in words is "fifteen billion, three hundred seven million, nine hundred seventy-three thousand, one hundred thirty-nine".