128375364 has 48 divisors (see below), whose sum is σ = 341566848. Its totient is φ = 37175808.

The previous prime is 128375363. The next prime is 128375369. The reversal of 128375364 is 463573821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (128375363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21552 + ... + 26855.

It is an arithmetic number, because the mean of its divisors is an integer number (7115976).

Almost surely, 2^128375364 is an apocalyptic number.

It is an amenable number.

128375364 is an abundant number, since it is smaller than the sum of its proper divisors (213191484).

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

128375364 is a wasteful number, since it uses less digits than its factorization.

128375364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48444 (or 48442 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 128375364 is about 11330.2852567797. The cubic root of 128375364 is about 504.4605735659.

The spelling of 128375364 in words is "one hundred twenty-eight million, three hundred seventy-five thousand, three hundred sixty-four".