136518519448368 has 120 divisors (see below), whose sum is σ = 396369293502000. Its totient is φ = 43811100329472.

The previous prime is 136518519448307. The next prime is 136518519448373. The reversal of 136518519448368 is 863844915815631.

136518519448368 is a `hidden beast` number, since 1 + 3 + 6 + 5 + 1 + 8 + 51 + 94 + 483 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 136518519448296 and 136518519448305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45378130 + ... + 48292977.

It is an arithmetic number, because the mean of its divisors is an integer number (3303077445850).

Almost surely, 2^{136518519448368} is an apocalyptic number.

136518519448368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136518519448368 is an abundant number, since it is smaller than the sum of its proper divisors (259850774053632).

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

136518519448368 is a wasteful number, since it uses less digits than its factorization.

136518519448368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93671499 (or 93671490 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 72.

The spelling of 136518519448368 in words is "one hundred thirty-six trillion, five hundred eighteen billion, five hundred nineteen million, four hundred forty-eight thousand, three hundred sixty-eight".