13443136928 has 48 divisors (see below), whose sum is σ = 28515765600. Its totient is φ = 6201536256.

The previous prime is 13443136901. The next prime is 13443136943. The reversal of 13443136928 is 82963134431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019723 + ... + 1032821.

It is an arithmetic number, because the mean of its divisors is an integer number (594078450).

Almost surely, 2^13443136928 is an apocalyptic number.

It is an amenable number.

13443136928 is an abundant number, since it is smaller than the sum of its proper divisors (15072628672).

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

13443136928 is a wasteful number, since it uses less digits than its factorization.

13443136928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15589 (or 15581 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 13443136928 in words is "thirteen billion, four hundred forty-three million, one hundred thirty-six thousand, nine hundred twenty-eight".