135357172318 has 12 divisors (see below), whose sum is σ = 206418789720. Its totient is φ = 66569097480.

The previous prime is 135357172297. The next prime is 135357172351. The reversal of 135357172318 is 813271753531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9086698 + ... + 9101581.

It is an arithmetic number, because the mean of its divisors is an integer number (17201565810).

Almost surely, 2^135357172318 is an apocalyptic number.

135357172318 is a deficient number, since it is larger than the sum of its proper divisors (71061617402).

135357172318 is an equidigital number, since it uses as much as digits as its factorization.

135357172318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188403 (or 18188342 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The spelling of 135357172318 in words is "one hundred thirty-five billion, three hundred fifty-seven million, one hundred seventy-two thousand, three hundred eighteen".