136948717 has 2 divisors, whose sum is σ = 136948718. Its totient is φ = 136948716.

The previous prime is 136948711. The next prime is 136948769. The reversal of 136948717 is 717849631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99420841 + 37527876 = 9971^2 + 6126^2 .

It is an emirp because it is prime and its reverse (717849631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136948717 - 2¹⁵ = 136915949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136948711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68474358 + 68474359.

It is an arithmetic number, because the mean of its divisors is an integer number (68474359).

Almost surely, 2^136948717 is an apocalyptic number.

It is an amenable number.

136948717 is a deficient number, since it is larger than the sum of its proper divisors (1).

136948717 is an equidigital number, since it uses as much as digits as its factorization.

136948717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 136948717 is about 11702.5090044828. The cubic root of 136948717 is about 515.4493417054.

It can be divided in two parts, 1369 and 48717, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 136948717 in words is "one hundred thirty-six million, nine hundred forty-eight thousand, seven hundred seventeen".