136367644717 has 2 divisors, whose sum is σ = 136367644718. Its totient is φ = 136367644716.

The previous prime is 136367644663. The next prime is 136367644723. The reversal of 136367644717 is 717446763631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121275276516 + 15092368201 = 348246^2 + 122851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136367644717 is a prime.

It is a super-2 number, since 2×136367644717² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136367644757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68183822358 + 68183822359.

It is an arithmetic number, because the mean of its divisors is an integer number (68183822359).

Almost surely, 2^136367644717 is an apocalyptic number.

It is an amenable number.

136367644717 is a deficient number, since it is larger than the sum of its proper divisors (1).

136367644717 is an equidigital number, since it uses as much as digits as its factorization.

136367644717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 55.

The spelling of 136367644717 in words is "one hundred thirty-six billion, three hundred sixty-seven million, six hundred forty-four thousand, seven hundred seventeen".