136934682217 has 2 divisors, whose sum is σ = 136934682218. Its totient is φ = 136934682216.

The previous prime is 136934682173. The next prime is 136934682271. The reversal of 136934682217 is 712286439631.

It is a happy number.

Together with next prime (136934682271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124366254336 + 12568427881 = 352656^2 + 112109^2 .

It is a cyclic number.

It is not a de Polignac number, because 136934682217 - 2³¹ = 134787198569 is a prime.

It is a super-2 number, since 2×136934682217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136934682917) 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 as a sum of consecutive naturals, namely, 68467341108 + 68467341109.

It is an arithmetic number, because the mean of its divisors is an integer number (68467341109).

Almost surely, 2^136934682217 is an apocalyptic number.

It is an amenable number.

136934682217 is a deficient number, since it is larger than the sum of its proper divisors (1).

136934682217 is an equidigital number, since it uses as much as digits as its factorization.

136934682217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The spelling of 136934682217 in words is "one hundred thirty-six billion, nine hundred thirty-four million, six hundred eighty-two thousand, two hundred seventeen".