128325936 has 20 divisors (see below), whose sum is σ = 331508792. Its totient is φ = 42775296.

The previous prime is 128325919. The next prime is 128325937. The reversal of 128325936 is 639523821.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 128325894 and 128325903.

It is not an unprimeable number, because it can be changed into a prime (128325937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336681 + ... + 1336776.

Almost surely, 2^128325936 is an apocalyptic number.

128325936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128325936 is an abundant number, since it is smaller than the sum of its proper divisors (203182856).

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

128325936 is a wasteful number, since it uses less digits than its factorization.

128325936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673468 (or 2673462 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 128325936 is about 11328.1038130836. The cubic root of 128325936 is about 504.3958215832.

The spelling of 128325936 in words is "one hundred twenty-eight million, three hundred twenty-five thousand, nine hundred thirty-six".