135685802561682 has 32 divisors (see below), whose sum is σ = 290020011216192. Its totient is φ = 42170262255104.

The previous prime is 135685802561677. The next prime is 135685802561693. The reversal of 135685802561682 is 286165208586531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6216124443 + ... + 6216146270.

It is an arithmetic number, because the mean of its divisors is an integer number (9063125350506).

Almost surely, 2^{135685802561682} is an apocalyptic number.

135685802561682 is an abundant number, since it is smaller than the sum of its proper divisors (154334208654510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135685802561682 is a wasteful number, since it uses less digits than its factorization.

135685802561682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432270842.

The product of its (nonzero) digits is 165888000, while the sum is 66.

The spelling of 135685802561682 in words is "one hundred thirty-five trillion, six hundred eighty-five billion, eight hundred two million, five hundred sixty-one thousand, six hundred eighty-two".