128906275300 has 72 divisors (see below), whose sum is σ = 305317958400. Its totient is φ = 46850179200.

The previous prime is 128906275279. The next prime is 128906275307. The reversal of 128906275300 is 3572609821.

128906275300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (128906275307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2113837 + ... + 2173963.

It is an arithmetic number, because the mean of its divisors is an integer number (4240527200).

Almost surely, 2^128906275300 is an apocalyptic number.

128906275300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128906275300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152658979200).

128906275300 is an abundant number, since it is smaller than the sum of its proper divisors (176411683100).

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

128906275300 is a wasteful number, since it uses less digits than its factorization.

128906275300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62101 (or 62094 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 128906275300 in words is "one hundred twenty-eight billion, nine hundred six million, two hundred seventy-five thousand, three hundred".