136853415018 has 48 divisors (see below), whose sum is σ = 302171112360. Its totient is φ = 44748093312.

The previous prime is 136853414993. The next prime is 136853415019. The reversal of 136853415018 is 810514358631.

136853415018 is a `hidden beast` number, since 1 + 3 + 68 + 534 + 1 + 50 + 1 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 56737810809 + 80115604209 = 238197^2 + 283047^2 .

It is not an unprimeable number, because it can be changed into a prime (136853415019) 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, 6083880 + ... + 6106332.

Almost surely, 2^136853415018 is an apocalyptic number.

136853415018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136853415018 is an abundant number, since it is smaller than the sum of its proper divisors (165317697342).

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

136853415018 is a wasteful number, since it uses less digits than its factorization.

136853415018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28903 (or 28900 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 136853415018 in words is "one hundred thirty-six billion, eight hundred fifty-three million, four hundred fifteen thousand, eighteen".