135713683728 has 60 divisors (see below), whose sum is σ = 434068372608. Its totient is φ = 38775337920.

The previous prime is 135713683711. The next prime is 135713683747. The reversal of 135713683728 is 827386317531.

It is a happy number.

135713683728 is a `hidden beast` number, since 1 + 3 + 571 + 3 + 68 + 3 + 7 + 2 + 8 = 666.

135713683728 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135713683728² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67317288 + ... + 67319303.

Almost surely, 2^135713683728 is an apocalyptic number.

135713683728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135713683728 is an abundant number, since it is smaller than the sum of its proper divisors (298354688880).

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

135713683728 is a wasteful number, since it uses less digits than its factorization.

135713683728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134636612 (or 134636603 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 135713683728 in words is "one hundred thirty-five billion, seven hundred thirteen million, six hundred eighty-three thousand, seven hundred twenty-eight".