128585316 has 24 divisors (see below), whose sum is σ = 304952704. Its totient is φ = 42158880.

The previous prime is 128585287. The next prime is 128585363. The reversal of 128585316 is 613585821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87100 + ... + 88563.

Almost surely, 2^128585316 is an apocalyptic number.

It is an amenable number.

128585316 is an abundant number, since it is smaller than the sum of its proper divisors (176367388).

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

128585316 is a wasteful number, since it uses less digits than its factorization.

128585316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175731 (or 175729 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 128585316 is about 11339.5465517806. The cubic root of 128585316 is about 504.7354311323.

The spelling of 128585316 in words is "one hundred twenty-eight million, five hundred eighty-five thousand, three hundred sixteen".