128795532 has 24 divisors (see below), whose sum is σ = 302820672. Its totient is φ = 42603600.

The previous prime is 128795531. The next prime is 128795539. The reversal of 128795532 is 235597821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128795531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39394 + ... + 42537.

It is an arithmetic number, because the mean of its divisors is an integer number (12617528).

Almost surely, 2^128795532 is an apocalyptic number.

128795532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128795532 is an abundant number, since it is smaller than the sum of its proper divisors (174025140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128795532 is a wasteful number, since it uses less digits than its factorization.

128795532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82069 (or 82067 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 128795532 is about 11348.8119201968. The cubic root of 128795532 is about 505.0103347230.

The spelling of 128795532 in words is "one hundred twenty-eight million, seven hundred ninety-five thousand, five hundred thirty-two".