128800500140 has 48 divisors (see below), whose sum is σ = 291329045280. Its totient is φ = 47550289920.

The previous prime is 128800500139. The next prime is 128800500151. The reversal of 128800500140 is 41005008821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007071 + ... + 2070249.

It is an arithmetic number, because the mean of its divisors is an integer number (6069355110).

Almost surely, 2^128800500140 is an apocalyptic number.

128800500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128800500140 is an abundant number, since it is smaller than the sum of its proper divisors (162528545140).

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

128800500140 is a wasteful number, since it uses less digits than its factorization.

128800500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71042 (or 71040 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

Adding to 128800500140 its reverse (41005008821), we get a palindrome (169805508961).

The spelling of 128800500140 in words is "one hundred twenty-eight billion, eight hundred million, five hundred thousand, one hundred forty".