13128369996 has 48 divisors (see below), whose sum is σ = 35044821504. Its totient is φ = 3747123456.

The previous prime is 13128369973. The next prime is 13128370001. The reversal of 13128369996 is 69996382131.

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, 3076 + ... + 162068.

It is an arithmetic number, because the mean of its divisors is an integer number (730100448).

Almost surely, 2^13128369996 is an apocalyptic number.

It is an amenable number.

13128369996 is an abundant number, since it is smaller than the sum of its proper divisors (21916451508).

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

13128369996 is a wasteful number, since it uses less digits than its factorization.

13128369996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159990 (or 159988 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The spelling of 13128369996 in words is "thirteen billion, one hundred twenty-eight million, three hundred sixty-nine thousand, nine hundred ninety-six".