128625354 has 64 divisors (see below), whose sum is σ = 335825280. Its totient is φ = 35976960.

The previous prime is 128625347. The next prime is 128625377. The reversal of 128625354 is 453526821.

128625354 is a `hidden beast` number, since 1 + 28 + 625 + 3 + 5 + 4 = 666.

It is a hoax number, since the sum of its digits (36) 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 31 ways as a sum of consecutive naturals, for example, 607 + ... + 16050.

It is an arithmetic number, because the mean of its divisors is an integer number (5247270).

Almost surely, 2^128625354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128625354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167912640).

128625354 is an abundant number, since it is smaller than the sum of its proper divisors (207199926).

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

128625354 is a wasteful number, since it uses less digits than its factorization.

128625354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692 (or 16686 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 128625354 is about 11341.3118288847. The cubic root of 128625354 is about 504.7878126968.

The spelling of 128625354 in words is "one hundred twenty-eight million, six hundred twenty-five thousand, three hundred fifty-four".