135685802375239 has 2 divisors, whose sum is σ = 135685802375240. Its totient is φ = 135685802375238.

The previous prime is 135685802375219. The next prime is 135685802375359. The reversal of 135685802375239 is 932573208586531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135685802375239 - 2⁴³ = 126889709353031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135685802375219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67842901187619 + 67842901187620.

It is an arithmetic number, because the mean of its divisors is an integer number (67842901187620).

Almost surely, 2^{135685802375239} is an apocalyptic number.

135685802375239 is a deficient number, since it is larger than the sum of its proper divisors (1).

135685802375239 is an equidigital number, since it uses as much as digits as its factorization.

135685802375239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592000, while the sum is 67.

The spelling of 135685802375239 in words is "one hundred thirty-five trillion, six hundred eighty-five billion, eight hundred two million, three hundred seventy-five thousand, two hundred thirty-nine".