128913168 has 40 divisors (see below), whose sum is σ = 336335616. Its totient is φ = 42544000.

The previous prime is 128913133. The next prime is 128913181. The reversal of 128913168 is 861319821.

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, 8448 + ... + 18143.

Almost surely, 2^128913168 is an apocalyptic number.

It is an amenable number.

128913168 is an abundant number, since it is smaller than the sum of its proper divisors (207422448).

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

128913168 is a wasteful number, since it uses less digits than its factorization.

128913168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26703 (or 26697 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 128913168 is about 11353.9934824713. The cubic root of 128913168 is about 505.1640391187.

The spelling of 128913168 in words is "one hundred twenty-eight million, nine hundred thirteen thousand, one hundred sixty-eight".