135079695772 has 18 divisors (see below), whose sum is σ = 270163281192. Its totient is φ = 57890464704.

The previous prime is 135079695761. The next prime is 135079695791. The reversal of 135079695772 is 277596970531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135079695772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1910068 + ... + 1979524.

Almost surely, 2^135079695772 is an apocalyptic number.

It is an amenable number.

135079695772 is an abundant number, since it is smaller than the sum of its proper divisors (135083585420).

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

135079695772 is an frugal number, since it uses more digits than its factorization.

135079695772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138925 (or 69466 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 61.

The spelling of 135079695772 in words is "one hundred thirty-five billion, seventy-nine million, six hundred ninety-five thousand, seven hundred seventy-two".