136801717861 has 8 divisors (see below), whose sum is σ = 136986978240. Its totient is φ = 136616512032.

The previous prime is 136801717859. The next prime is 136801717867. The reversal of 136801717861 is 168717108631.

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 136801717861 - 2¹ = 136801717859 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 (136801717867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8216401 + ... + 8233033.

It is an arithmetic number, because the mean of its divisors is an integer number (17123372280).

Almost surely, 2^136801717861 is an apocalyptic number.

It is an amenable number.

136801717861 is a deficient number, since it is larger than the sum of its proper divisors (185260379).

136801717861 is an equidigital number, since it uses as much as digits as its factorization.

136801717861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27275.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 136801717861 in words is "one hundred thirty-six billion, eight hundred one million, seven hundred seventeen thousand, eight hundred sixty-one".