128481134700 has 72 divisors (see below), whose sum is σ = 381785775952. Its totient is φ = 33335642880.

The previous prime is 128481134699. The next prime is 128481134713. The reversal of 128481134700 is 7431184821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5776339 + ... + 5798538.

Almost surely, 2^128481134700 is an apocalyptic number.

128481134700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128481134700 is an abundant number, since it is smaller than the sum of its proper divisors (253304641252).

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

128481134700 is a wasteful number, since it uses less digits than its factorization.

128481134700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574931 (or 11574924 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 128481134700 in words is "one hundred twenty-eight billion, four hundred eighty-one million, one hundred thirty-four thousand, seven hundred".