135681764323 has 16 divisors (see below), whose sum is σ = 156311838720. Its totient is φ = 115363737216.

The previous prime is 135681764299. The next prime is 135681764333. The reversal of 135681764323 is 323467186531.

It is not a de Polignac number, because 135681764323 - 2¹⁷ = 135681633251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135681764333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8707083 + ... + 8722651.

It is an arithmetic number, because the mean of its divisors is an integer number (9769489920).

Almost surely, 2^135681764323 is an apocalyptic number.

135681764323 is a deficient number, since it is larger than the sum of its proper divisors (20630074397).

135681764323 is a wasteful number, since it uses less digits than its factorization.

135681764323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25506.

The product of its digits is 2177280, while the sum is 49.

The spelling of 135681764323 in words is "one hundred thirty-five billion, six hundred eighty-one million, seven hundred sixty-four thousand, three hundred twenty-three".