136117447446647 has 4 divisors (see below), whose sum is σ = 136169380851576. Its totient is φ = 136065514041720.

The previous prime is 136117447446623. The next prime is 136117447446691. The reversal of 136117447446647 is 746644744711631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136117447446647 - 2²⁰ = 136117446398071 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 (136117447446247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25966698533 + ... + 25966703774.

It is an arithmetic number, because the mean of its divisors is an integer number (34042345212894).

Almost surely, 2^{136117447446647} is an apocalyptic number.

136117447446647 is a deficient number, since it is larger than the sum of its proper divisors (51933404929).

136117447446647 is an equidigital number, since it uses as much as digits as its factorization.

136117447446647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51933404928.

The product of its digits is 227598336, while the sum is 65.

The spelling of 136117447446647 in words is "one hundred thirty-six trillion, one hundred seventeen billion, four hundred forty-seven million, four hundred forty-six thousand, six hundred forty-seven".