128340888 has 64 divisors (see below), whose sum is σ = 365873760. Its totient is φ = 37165056.

The previous prime is 128340887. The next prime is 128340893. The reversal of 128340888 is 888043821.

It is a super-3 number, since 3×128340888³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128340881) 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, 6795 + ... + 17402.

Almost surely, 2^128340888 is an apocalyptic number.

It is an amenable number.

128340888 is an abundant number, since it is smaller than the sum of its proper divisors (237532872).

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

128340888 is a wasteful number, since it uses less digits than its factorization.

128340888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24236 (or 24232 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 128340888 is about 11328.7637454402. The cubic root of 128340888 is about 504.4154108511.

The spelling of 128340888 in words is "one hundred twenty-eight million, three hundred forty thousand, eight hundred eighty-eight".