13239314738 has 8 divisors (see below), whose sum is σ = 21386585388. Its totient is φ = 6110452944.

The previous prime is 13239314609. The next prime is 13239314749. The reversal of 13239314738 is 83741393231.

It can be written as a sum of positive squares in 2 ways, for example, as 13232591089 + 6723649 = 115033^2 + 2593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254602181 + ... + 254602232.

Almost surely, 2^13239314738 is an apocalyptic number.

13239314738 is a deficient number, since it is larger than the sum of its proper divisors (8147270650).

13239314738 is a wasteful number, since it uses less digits than its factorization.

13239314738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509204428.

The product of its digits is 326592, while the sum is 44.

The spelling of 13239314738 in words is "thirteen billion, two hundred thirty-nine million, three hundred fourteen thousand, seven hundred thirty-eight".