135140502317 has 2 divisors, whose sum is σ = 135140502318. Its totient is φ = 135140502316.

The previous prime is 135140502269. The next prime is 135140502353. The reversal of 135140502317 is 713205041531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111538632676 + 23601869641 = 333974^2 + 153629^2 .

It is a cyclic number.

It is not a de Polignac number, because 135140502317 - 2⁸ = 135140502061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135140502017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67570251158 + 67570251159.

It is an arithmetic number, because the mean of its divisors is an integer number (67570251159).

Almost surely, 2^135140502317 is an apocalyptic number.

It is an amenable number.

135140502317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135140502317 is an equidigital number, since it uses as much as digits as its factorization.

135140502317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 135140502317 its reverse (713205041531), we get a palindrome (848345543848).

The spelling of 135140502317 in words is "one hundred thirty-five billion, one hundred forty million, five hundred two thousand, three hundred seventeen".