135965317 has 2 divisors, whose sum is σ = 135965318. Its totient is φ = 135965316.

The previous prime is 135965281. The next prime is 135965341. The reversal of 135965317 is 713569531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120802081 + 15163236 = 10991^2 + 3894^2 .

It is a cyclic number.

It is not a de Polignac number, because 135965317 - 2⁷ = 135965189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135965317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135965377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67982658 + 67982659.

It is an arithmetic number, because the mean of its divisors is an integer number (67982659).

Almost surely, 2^135965317 is an apocalyptic number.

It is an amenable number.

135965317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135965317 is an equidigital number, since it uses as much as digits as its factorization.

135965317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 40.

The square root of 135965317 is about 11660.4166735156. The cubic root of 135965317 is about 514.2125988466.

The spelling of 135965317 in words is "one hundred thirty-five million, nine hundred sixty-five thousand, three hundred seventeen".