136515261853 has 16 divisors (see below), whose sum is σ = 141858170496. Its totient is φ = 131275676160.

The previous prime is 136515261829. The next prime is 136515261863. The reversal of 136515261853 is 358162515631.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-136515261853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136515261803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427176 + ... + 1519822.

It is an arithmetic number, because the mean of its divisors is an integer number (8866135656).

Almost surely, 2^136515261853 is an apocalyptic number.

It is an amenable number.

136515261853 is a deficient number, since it is larger than the sum of its proper divisors (5342908643).

136515261853 is an equidigital number, since it uses as much as digits as its factorization.

136515261853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93204.

The product of its digits is 648000, while the sum is 46.

The spelling of 136515261853 in words is "one hundred thirty-six billion, five hundred fifteen million, two hundred sixty-one thousand, eight hundred fifty-three".