128133596 has 12 divisors (see below), whose sum is σ = 224697648. Its totient is φ = 63934272.

The previous prime is 128133581. The next prime is 128133601. The reversal of 128133596 is 695331821.

It is a happy number.

It is a congruent number.

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, 30941 + ... + 34836.

It is an arithmetic number, because the mean of its divisors is an integer number (18724804).

Almost surely, 2^128133596 is an apocalyptic number.

It is an amenable number.

128133596 is a deficient number, since it is larger than the sum of its proper divisors (96564052).

128133596 is a wasteful number, since it uses less digits than its factorization.

128133596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66268 (or 66266 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 128133596 is about 11319.6111240625. The cubic root of 128133596 is about 504.1436927567.

The spelling of 128133596 in words is "one hundred twenty-eight million, one hundred thirty-three thousand, five hundred ninety-six".