128374708 has 54 divisors (see below), whose sum is σ = 287304738. Its totient is φ = 50006880.

The previous prime is 128374699. The next prime is 128374711. The reversal of 128374708 is 807473821.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 34245904 = 9702^2 + 5852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21010 + ... + 26422.

Almost surely, 2^128374708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128374708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143652369).

128374708 is an abundant number, since it is smaller than the sum of its proper divisors (158930030).

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

128374708 is a wasteful number, since it uses less digits than its factorization.

128374708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453 (or 5433 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 128374708 is about 11330.2563077805. The cubic root of 128374708 is about 504.4597142975.

The spelling of 128374708 in words is "one hundred twenty-eight million, three hundred seventy-four thousand, seven hundred eight".