135217766422 has 16 divisors (see below), whose sum is σ = 203799641760. Its totient is φ = 67285062592.

The previous prime is 135217766419. The next prime is 135217766441. The reversal of 135217766422 is 224667712531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405954 + ... + 659722.

It is an arithmetic number, because the mean of its divisors is an integer number (12737477610).

Almost surely, 2^135217766422 is an apocalyptic number.

135217766422 is a deficient number, since it is larger than the sum of its proper divisors (68581875338).

135217766422 is a wasteful number, since it uses less digits than its factorization.

135217766422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255047.

The product of its digits is 846720, while the sum is 46.

The spelling of 135217766422 in words is "one hundred thirty-five billion, two hundred seventeen million, seven hundred sixty-six thousand, four hundred twenty-two".