128339368 has 16 divisors (see below), whose sum is σ = 241490880. Its totient is φ = 63941808.

The previous prime is 128339359. The next prime is 128339377. The reversal of 128339368 is 863933821.

It is an interprime number because it is at equal distance from previous prime (128339359) and next prime (128339377).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26080 + ... + 30607.

It is an arithmetic number, because the mean of its divisors is an integer number (15093180).

Almost surely, 2^128339368 is an apocalyptic number.

It is an amenable number.

128339368 is a deficient number, since it is larger than the sum of its proper divisors (113151512).

128339368 is a wasteful number, since it uses less digits than its factorization.

128339368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56976 (or 56972 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 128339368 is about 11328.6966593691. The cubic root of 128339368 is about 504.4134195022.

It can be divided in two parts, 12833 and 9368, that added together give a square (22201 = 149²).

The spelling of 128339368 in words is "one hundred twenty-eight million, three hundred thirty-nine thousand, three hundred sixty-eight".