135468517 has 2 divisors, whose sum is σ = 135468518. Its totient is φ = 135468516.

The previous prime is 135468511. The next prime is 135468539. The reversal of 135468517 is 715864531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135280161 + 188356 = 11631^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 135468517 - 2¹⁵ = 135435749 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135468517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135468511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67734258 + 67734259.

It is an arithmetic number, because the mean of its divisors is an integer number (67734259).

Almost surely, 2^135468517 is an apocalyptic number.

It is an amenable number.

135468517 is a deficient number, since it is larger than the sum of its proper divisors (1).

135468517 is an equidigital number, since it uses as much as digits as its factorization.

135468517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 135468517 is about 11639.0943376192. The cubic root of 135468517 is about 513.5855453246.

The spelling of 135468517 in words is "one hundred thirty-five million, four hundred sixty-eight thousand, five hundred seventeen".