135195599 has 12 divisors (see below), whose sum is σ = 169833552. Its totient is φ = 105346560.

The previous prime is 135195589. The next prime is 135195601. The reversal of 135195599 is 995591531.

It is a happy number.

It is not a de Polignac number, because 135195599 - 2¹⁶ = 135130063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135195589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78962 + ... + 80655.

It is an arithmetic number, because the mean of its divisors is an integer number (14152796).

Almost surely, 2^135195599 is an apocalyptic number.

135195599 is a deficient number, since it is larger than the sum of its proper divisors (34637953).

135195599 is a wasteful number, since it uses less digits than its factorization.

135195599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159646 (or 159635 counting only the distinct ones).

The product of its digits is 273375, while the sum is 47.

The square root of 135195599 is about 11627.3642327055. The cubic root of 135195599 is about 513.2404196915.

The spelling of 135195599 in words is "one hundred thirty-five million, one hundred ninety-five thousand, five hundred ninety-nine".