135685802561683 has 8 divisors (see below), whose sum is σ = 148128059372976. Its totient is φ = 123261409725600.

The previous prime is 135685802561677. The next prime is 135685802561693. The reversal of 135685802561683 is 386165208586531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135685802561683 - 2⁵ = 135685802561651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135685802561653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465977916 + ... + 4466008297.

It is an arithmetic number, because the mean of its divisors is an integer number (18516007421622).

Almost surely, 2^{135685802561683} is an apocalyptic number.

135685802561683 is a deficient number, since it is larger than the sum of its proper divisors (12442256811293).

135685802561683 is a wasteful number, since it uses less digits than its factorization.

135685802561683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931987605.

The product of its (nonzero) digits is 248832000, while the sum is 67.

The spelling of 135685802561683 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-three".