136537670617 has 2 divisors, whose sum is σ = 136537670618. Its totient is φ = 136537670616.

The previous prime is 136537670531. The next prime is 136537670641. The reversal of 136537670617 is 716076735631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131838705216 + 4698965401 = 363096^2 + 68549^2 .

It is a cyclic number.

It is not a de Polignac number, because 136537670617 - 2¹¹ = 136537668569 is a prime.

It is not a weakly prime, because it can be changed into another prime (136537670677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68268835308 + 68268835309.

It is an arithmetic number, because the mean of its divisors is an integer number (68268835309).

Almost surely, 2^136537670617 is an apocalyptic number.

It is an amenable number.

136537670617 is a deficient number, since it is larger than the sum of its proper divisors (1).

136537670617 is an equidigital number, since it uses as much as digits as its factorization.

136537670617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 136537670617 in words is "one hundred thirty-six billion, five hundred thirty-seven million, six hundred seventy thousand, six hundred seventeen".