136797709 has 2 divisors, whose sum is σ = 136797710. Its totient is φ = 136797708.

The previous prime is 136797679. The next prime is 136797757. The reversal of 136797709 is 907797631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 16281225 = 10978^2 + 4035^2 .

It is a cyclic number.

It is not a de Polignac number, because 136797709 - 2⁵ = 136797677 is a prime.

It is a super-2 number, since 2×136797709² = 37427226375297362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136797779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68398854 + 68398855.

It is an arithmetic number, because the mean of its divisors is an integer number (68398855).

Almost surely, 2^136797709 is an apocalyptic number.

It is an amenable number.

136797709 is a deficient number, since it is larger than the sum of its proper divisors (1).

136797709 is an equidigital number, since it uses as much as digits as its factorization.

136797709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500094, while the sum is 49.

The square root of 136797709 is about 11696.0552751772. The cubic root of 136797709 is about 515.2598167438.

The spelling of 136797709 in words is "one hundred thirty-six million, seven hundred ninety-seven thousand, seven hundred nine".