13971130928 has 20 divisors (see below), whose sum is σ = 27082126008. Its totient is φ = 6982195200.

The previous prime is 13971130909. The next prime is 13971130949. The reversal of 13971130928 is 82903117931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176273 + ... + 242928.

Almost surely, 2^13971130928 is an apocalyptic number.

It is an amenable number.

13971130928 is a deficient number, since it is larger than the sum of its proper divisors (13110995080).

13971130928 is a wasteful number, since it uses less digits than its factorization.

13971130928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421292 (or 421286 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 13971130928 in words is "thirteen billion, nine hundred seventy-one million, one hundred thirty thousand, nine hundred twenty-eight".