13751319920 has 80 divisors (see below), whose sum is σ = 36243409440. Its totient is φ = 4810171392.

The previous prime is 13751319889. The next prime is 13751319931. The reversal of 13751319920 is 2991315731.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328199 + ... + 367718.

It is an arithmetic number, because the mean of its divisors is an integer number (453042618).

Almost surely, 2^13751319920 is an apocalyptic number.

13751319920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13751319920 is an abundant number, since it is smaller than the sum of its proper divisors (22492089520).

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

13751319920 is a wasteful number, since it uses less digits than its factorization.

13751319920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695962 (or 695956 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 13751319920 in words is "thirteen billion, seven hundred fifty-one million, three hundred nineteen thousand, nine hundred twenty".