136744027628191 has 2 divisors, whose sum is σ = 136744027628192. Its totient is φ = 136744027628190.

The previous prime is 136744027628161. The next prime is 136744027628231. The reversal of 136744027628191 is 191826720447631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136744027628191 - 2²⁵ = 136743994073759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136744027628161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68372013814095 + 68372013814096.

It is an arithmetic number, because the mean of its divisors is an integer number (68372013814096).

Almost surely, 2^{136744027628191} is an apocalyptic number.

136744027628191 is a deficient number, since it is larger than the sum of its proper divisors (1).

136744027628191 is an equidigital number, since it uses as much as digits as its factorization.

136744027628191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 136744027628191 in words is "one hundred thirty-six trillion, seven hundred forty-four billion, twenty-seven million, six hundred twenty-eight thousand, one hundred ninety-one".