128753704635 has 32 divisors (see below), whose sum is σ = 211606048512. Its totient is φ = 66802504320.

The previous prime is 128753704571. The next prime is 128753704663. The reversal of 128753704635 is 536407357821.

It is not a de Polignac number, because 128753704635 - 2⁶ = 128753704571 is a prime.

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, 4774540 + ... + 4801430.

It is an arithmetic number, because the mean of its divisors is an integer number (6612689016).

Almost surely, 2^128753704635 is an apocalyptic number.

128753704635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128753704635 is a deficient number, since it is larger than the sum of its proper divisors (82852343877).

128753704635 is a wasteful number, since it uses less digits than its factorization.

128753704635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35563.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 128753704635 in words is "one hundred twenty-eight billion, seven hundred fifty-three million, seven hundred four thousand, six hundred thirty-five".