128854164 has 12 divisors (see below), whose sum is σ = 300659744. Its totient is φ = 42951384.

The previous prime is 128854153. The next prime is 128854247. The reversal of 128854164 is 461458821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368912 + ... + 5368935.

Almost surely, 2^128854164 is an apocalyptic number.

It is an amenable number.

128854164 is an abundant number, since it is smaller than the sum of its proper divisors (171805580).

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

128854164 is a wasteful number, since it uses less digits than its factorization.

128854164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737854 (or 10737852 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 128854164 is about 11351.3948041639. The cubic root of 128854164 is about 505.0869555848.

The spelling of 128854164 in words is "one hundred twenty-eight million, eight hundred fifty-four thousand, one hundred sixty-four".