135995172 has 24 divisors (see below), whose sum is σ = 335988576. Its totient is φ = 42665088.

The previous prime is 135995147. The next prime is 135995221. The reversal of 135995172 is 271599531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333118 + ... + 333525.

It is an arithmetic number, because the mean of its divisors is an integer number (13999524).

Almost surely, 2^135995172 is an apocalyptic number.

135995172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135995172 is an abundant number, since it is smaller than the sum of its proper divisors (199993404).

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

135995172 is a wasteful number, since it uses less digits than its factorization.

135995172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666667 (or 666665 counting only the distinct ones).

The product of its digits is 85050, while the sum is 42.

The square root of 135995172 is about 11661.6967890612. The cubic root of 135995172 is about 514.2502326932.

The spelling of 135995172 in words is "one hundred thirty-five million, nine hundred ninety-five thousand, one hundred seventy-two".