128140488707 has 32 divisors (see below), whose sum is σ = 160958513664. Its totient is φ = 99103161600.

The previous prime is 128140488691. The next prime is 128140488709. The reversal of 128140488707 is 707884041821.

It is a cyclic number.

It is not a de Polignac number, because 128140488707 - 2⁴ = 128140488691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128140488709) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5676032 + ... + 5698562.

It is an arithmetic number, because the mean of its divisors is an integer number (5029953552).

Almost surely, 2^128140488707 is an apocalyptic number.

128140488707 is a deficient number, since it is larger than the sum of its proper divisors (32818024957).

128140488707 is a wasteful number, since it uses less digits than its factorization.

128140488707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099.

The product of its (nonzero) digits is 802816, while the sum is 50.

The spelling of 128140488707 in words is "one hundred twenty-eight billion, one hundred forty million, four hundred eighty-eight thousand, seven hundred seven".