13238023139 has 16 divisors (see below), whose sum is σ = 14539779936. Its totient is φ = 11952864000.

The previous prime is 13238023091. The next prime is 13238023163. The reversal of 13238023139 is 93132083231.

It is a de Polignac number, because none of the positive numbers 2^k-13238023139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13238023099 and 13238023108.

It is not an unprimeable number, because it can be changed into a prime (13238023189) 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, 1332089 + ... + 1341989.

It is an arithmetic number, because the mean of its divisors is an integer number (908736246).

Almost surely, 2^13238023139 is an apocalyptic number.

13238023139 is a deficient number, since it is larger than the sum of its proper divisors (1301756797).

13238023139 is a wasteful number, since it uses less digits than its factorization.

13238023139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 13238023139 in words is "thirteen billion, two hundred thirty-eight million, twenty-three thousand, one hundred thirty-nine".