13442853138 has 64 divisors (see below), whose sum is σ = 31966728192. Its totient is φ = 3714914880.

The previous prime is 13442853121. The next prime is 13442853157. The reversal of 13442853138 is 83135824431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13442853138.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23170 + ... + 165597.

It is an arithmetic number, because the mean of its divisors is an integer number (499480128).

Almost surely, 2^13442853138 is an apocalyptic number.

13442853138 is an abundant number, since it is smaller than the sum of its proper divisors (18523875054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13442853138 is a wasteful number, since it uses less digits than its factorization.

13442853138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188879.

The product of its digits is 276480, while the sum is 42.

The spelling of 13442853138 in words is "thirteen billion, four hundred forty-two million, eight hundred fifty-three thousand, one hundred thirty-eight".