128853535 has 12 divisors (see below), whose sum is σ = 163192968. Its totient is φ = 97656048.

The previous prime is 128853509. The next prime is 128853551. The reversal of 128853535 is 535358821.

It is a happy number.

It is not a de Polignac number, because 128853535 - 2⁷ = 128853407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33889 + ... + 37498.

It is an arithmetic number, because the mean of its divisors is an integer number (13599414).

Almost surely, 2^128853535 is an apocalyptic number.

128853535 is a deficient number, since it is larger than the sum of its proper divisors (34339433).

128853535 is an equidigital number, since it uses as much as digits as its factorization.

128853535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71430 (or 71411 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 128853535 is about 11351.3670982838. The cubic root of 128853535 is about 505.0861337249.

The spelling of 128853535 in words is "one hundred twenty-eight million, eight hundred fifty-three thousand, five hundred thirty-five".