135535211717 has 2 divisors, whose sum is σ = 135535211718. Its totient is φ = 135535211716.

The previous prime is 135535211663. The next prime is 135535211729. The reversal of 135535211717 is 717112535531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80429527201 + 55105684516 = 283601^2 + 234746^2 .

It is a cyclic number.

It is not a de Polignac number, because 135535211717 - 2¹⁶ = 135535146181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135535219717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67767605858 + 67767605859.

It is an arithmetic number, because the mean of its divisors is an integer number (67767605859).

Almost surely, 2^135535211717 is an apocalyptic number.

It is an amenable number.

135535211717 is a deficient number, since it is larger than the sum of its proper divisors (1).

135535211717 is an equidigital number, since it uses as much as digits as its factorization.

135535211717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110250, while the sum is 41.

The spelling of 135535211717 in words is "one hundred thirty-five billion, five hundred thirty-five million, two hundred eleven thousand, seven hundred seventeen".