128907590854 has 64 divisors (see below), whose sum is σ = 240463472256. Its totient is φ = 50558183424.

The previous prime is 128907590827. The next prime is 128907590863. The reversal of 128907590854 is 458095709821.

It is a congruent number.

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, 17018212 + ... + 17025784.

It is an arithmetic number, because the mean of its divisors is an integer number (3757241754).

Almost surely, 2^128907590854 is an apocalyptic number.

128907590854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128907590854 is a deficient number, since it is larger than the sum of its proper divisors (111555881402).

128907590854 is a wasteful number, since it uses less digits than its factorization.

128907590854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 128907590854 in words is "one hundred twenty-eight billion, nine hundred seven million, five hundred ninety thousand, eight hundred fifty-four".