135512451613 has 24 divisors (see below), whose sum is σ = 171989939520. Its totient is φ = 105580379520.

The previous prime is 135512451521. The next prime is 135512451647. The reversal of 135512451613 is 316154215531.

It is a de Polignac number, because none of the positive numbers 2^k-135512451613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135512451673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6642693 + ... + 6663061.

It is an arithmetic number, because the mean of its divisors is an integer number (7166247480).

Almost surely, 2^135512451613 is an apocalyptic number.

It is an amenable number.

135512451613 is a deficient number, since it is larger than the sum of its proper divisors (36477487907).

135512451613 is a wasteful number, since it uses less digits than its factorization.

135512451613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32737 (or 32730 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The spelling of 135512451613 in words is "one hundred thirty-five billion, five hundred twelve million, four hundred fifty-one thousand, six hundred thirteen".