13889913128 has 32 divisors (see below), whose sum is σ = 32053647360. Its totient is φ = 5494910400.

The previous prime is 13889913119. The next prime is 13889913137. The reversal of 13889913128 is 82131998831.

It is a happy number.

13889913128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13889913119) and next prime (13889913137).

It is a self number, because there is not a number n which added to its sum of digits gives 13889913128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9539048 + ... + 9540503.

It is an arithmetic number, because the mean of its divisors is an integer number (1001676480).

Almost surely, 2^13889913128 is an apocalyptic number.

It is an amenable number.

13889913128 is an abundant number, since it is smaller than the sum of its proper divisors (18163734232).

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

13889913128 is a wasteful number, since it uses less digits than its factorization.

13889913128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19079577 (or 19079573 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The spelling of 13889913128 in words is "thirteen billion, eight hundred eighty-nine million, nine hundred thirteen thousand, one hundred twenty-eight".