128535795 has 16 divisors (see below), whose sum is σ = 228508320. Its totient is φ = 68552352.

The previous prime is 128535791. The next prime is 128535809. The reversal of 128535795 is 597535821.

128535795 is a `hidden beast` number, since 1 + 28 + 53 + 579 + 5 = 666.

It is not a de Polignac number, because 128535795 - 2² = 128535791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 128535795.

It is not an unprimeable number, because it can be changed into a prime (128535791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475924 + ... + 476193.

It is an arithmetic number, because the mean of its divisors is an integer number (14281770).

Almost surely, 2^128535795 is an apocalyptic number.

128535795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128535795 is a deficient number, since it is larger than the sum of its proper divisors (99972525).

128535795 is an equidigital number, since it uses as much as digits as its factorization.

128535795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952131 (or 952125 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 128535795 is about 11337.3627885854. The cubic root of 128535795 is about 504.6706279509.

The spelling of 128535795 in words is "one hundred twenty-eight million, five hundred thirty-five thousand, seven hundred ninety-five".