136893519936 has 140 divisors (see below), whose sum is σ = 408382389228. Its totient is φ = 45340259328.

The previous prime is 136893519877. The next prime is 136893519947. The reversal of 136893519936 is 639915398631.

136893519936 is a `hidden beast` number, since 1 + 3 + 6 + 89 + 3 + 519 + 9 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78646593600 + 58246926336 = 280440^2 + 241344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 729790 + ... + 897986.

Almost surely, 2^136893519936 is an apocalyptic number.

136893519936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136893519936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204191194614).

136893519936 is an abundant number, since it is smaller than the sum of its proper divisors (271488869292).

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

136893519936 is a wasteful number, since it uses less digits than its factorization.

136893519936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168378 (or 168359 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 63.

The spelling of 136893519936 in words is "one hundred thirty-six billion, eight hundred ninety-three million, five hundred nineteen thousand, nine hundred thirty-six".