128737468 has 12 divisors (see below), whose sum is σ = 226168992. Its totient is φ = 64117760.

The previous prime is 128737459. The next prime is 128737493. The reversal of 128737468 is 864737821.

It is a congruent number.

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, 61588 + ... + 63643.

It is an arithmetic number, because the mean of its divisors is an integer number (18847416).

Almost surely, 2^128737468 is an apocalyptic number.

It is an amenable number.

128737468 is a deficient number, since it is larger than the sum of its proper divisors (97431524).

128737468 is a wasteful number, since it uses less digits than its factorization.

128737468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125492 (or 125490 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 128737468 is about 11346.2534785717. The cubic root of 128737468 is about 504.9344332089.

The spelling of 128737468 in words is "one hundred twenty-eight million, seven hundred thirty-seven thousand, four hundred sixty-eight".