136618660013 has 8 divisors (see below), whose sum is σ = 149706875136. Its totient is φ = 123641834400.

The previous prime is 136618660007. The next prime is 136618660027. The reversal of 136618660013 is 310066816631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136618660013 - 2¹⁶ = 136618594477 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 (136618665013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27844808 + ... + 27849713.

It is an arithmetic number, because the mean of its divisors is an integer number (18713359392).

Almost surely, 2^136618660013 is an apocalyptic number.

It is an amenable number.

136618660013 is a deficient number, since it is larger than the sum of its proper divisors (13088215123).

136618660013 is a wasteful number, since it uses less digits than its factorization.

136618660013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55694755.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 136618660013 in words is "one hundred thirty-six billion, six hundred eighteen million, six hundred sixty thousand, thirteen".