128964546 has 12 divisors (see below), whose sum is σ = 279423222. Its totient is φ = 42988176.

The previous prime is 128964503. The next prime is 128964599. The reversal of 128964546 is 645469821.

128964546 is a `hidden beast` number, since 12 + 8 + 96 + 4 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 61544025 = 8211^2 + 7845^2 .

It is a super-2 number, since 2×128964546² = 33263708249972232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3582331 + ... + 3582366.

Almost surely, 2^128964546 is an apocalyptic number.

128964546 is an abundant number, since it is smaller than the sum of its proper divisors (150458676).

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

128964546 is a wasteful number, since it uses less digits than its factorization.

128964546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164705 (or 7164702 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 128964546 is about 11356.2558090244. The cubic root of 128964546 is about 505.2311407995.

The spelling of 128964546 in words is "one hundred twenty-eight million, nine hundred sixty-four thousand, five hundred forty-six".