136772341679 has 2 divisors, whose sum is σ = 136772341680. Its totient is φ = 136772341678.

The previous prime is 136772341669. The next prime is 136772341691. The reversal of 136772341679 is 976143277631.

It is a weak prime.

It is an emirp because it is prime and its reverse (976143277631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136772341679 - 2⁴ = 136772341663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136772341609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68386170839 + 68386170840.

It is an arithmetic number, because the mean of its divisors is an integer number (68386170840).

Almost surely, 2^136772341679 is an apocalyptic number.

136772341679 is a deficient number, since it is larger than the sum of its proper divisors (1).

136772341679 is an equidigital number, since it uses as much as digits as its factorization.

136772341679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 56.

The spelling of 136772341679 in words is "one hundred thirty-six billion, seven hundred seventy-two million, three hundred forty-one thousand, six hundred seventy-nine".