136518594844643 has 16 divisors (see below), whose sum is σ = 149224795624800. Its totient is φ = 123861639886080.

The previous prime is 136518594844633. The next prime is 136518594844691. The reversal of 136518594844643 is 346448495815631.

It is a cyclic number.

It is not a de Polignac number, because 136518594844643 - 2¹⁰ = 136518594843619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136518594844613) 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, 340067423 + ... + 340468631.

It is an arithmetic number, because the mean of its divisors is an integer number (9326549726550).

Almost surely, 2^{136518594844643} is an apocalyptic number.

136518594844643 is a deficient number, since it is larger than the sum of its proper divisors (12706200780157).

136518594844643 is a wasteful number, since it uses less digits than its factorization.

136518594844643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462502.

The product of its digits is 1194393600, while the sum is 71.

The spelling of 136518594844643 in words is "one hundred thirty-six trillion, five hundred eighteen billion, five hundred ninety-four million, eight hundred forty-four thousand, six hundred forty-three".