13875178139 has 4 divisors (see below), whose sum is σ = 14213597160. Its totient is φ = 13536759120.

The previous prime is 13875178111. The next prime is 13875178181. The reversal of 13875178139 is 93187157831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93187157831 = 3163 ⋅29461637.

It is a cyclic number.

It is not a de Polignac number, because 13875178139 - 2²⁸ = 13606742683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13875178189) 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, 169209449 + ... + 169209530.

It is an arithmetic number, because the mean of its divisors is an integer number (3553399290).

Almost surely, 2^13875178139 is an apocalyptic number.

13875178139 is a deficient number, since it is larger than the sum of its proper divisors (338419021).

13875178139 is an equidigital number, since it uses as much as digits as its factorization.

13875178139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338419020.

The product of its digits is 1270080, while the sum is 53.

The spelling of 13875178139 in words is "thirteen billion, eight hundred seventy-five million, one hundred seventy-eight thousand, one hundred thirty-nine".