135381683536 has 20 divisors (see below), whose sum is σ = 286147649664. Its totient is φ = 61537128800.

The previous prime is 135381683491. The next prime is 135381683587. The reversal of 135381683536 is 635386183531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384606880 + ... + 384607231.

Almost surely, 2^135381683536 is an apocalyptic number.

135381683536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135381683536 is an abundant number, since it is smaller than the sum of its proper divisors (150765966128).

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

135381683536 is a wasteful number, since it uses less digits than its factorization.

135381683536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769214130 (or 769214124 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The spelling of 135381683536 in words is "one hundred thirty-five billion, three hundred eighty-one million, six hundred eighty-three thousand, five hundred thirty-six".