136340572515516 has 120 divisors (see below), whose sum is σ = 357955454642016. Its totient is φ = 45251452068480.

The previous prime is 136340572515431. The next prime is 136340572515529. The reversal of 136340572515516 is 615515275043631.

It is a happy number.

136340572515516 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 4 + 0 + 5 + 72 + 51 + 5 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 129340426 + ... + 130390286.

Almost surely, 2^{136340572515516} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136340572515516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178977727321008).

136340572515516 is an abundant number, since it is smaller than the sum of its proper divisors (221614882126500).

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

136340572515516 is a wasteful number, since it uses less digits than its factorization.

136340572515516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051601 (or 1051590 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 136340572515516 in words is "one hundred thirty-six trillion, three hundred forty billion, five hundred seventy-two million, five hundred fifteen thousand, five hundred sixteen".