135934269169 has 2 divisors, whose sum is σ = 135934269170. Its totient is φ = 135934269168.

The previous prime is 135934269151. The next prime is 135934269181. The reversal of 135934269169 is 961962439531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120530480625 + 15403788544 = 347175^2 + 124112^2 .

It is a cyclic number.

It is not a de Polignac number, because 135934269169 - 2⁵ = 135934269137 is a prime.

It is a super-2 number, since 2×135934269169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135934269269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67967134584 + 67967134585.

It is an arithmetic number, because the mean of its divisors is an integer number (67967134585).

Almost surely, 2^135934269169 is an apocalyptic number.

It is an amenable number.

135934269169 is a deficient number, since it is larger than the sum of its proper divisors (1).

135934269169 is an equidigital number, since it uses as much as digits as its factorization.

135934269169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9447840, while the sum is 58.

The spelling of 135934269169 in words is "one hundred thirty-five billion, nine hundred thirty-four million, two hundred sixty-nine thousand, one hundred sixty-nine".