135722174231028 has 96 divisors (see below), whose sum is σ = 395391380686848. Its totient is φ = 35202223728000.

The previous prime is 135722174231009. The next prime is 135722174231089. The reversal of 135722174231028 is 820132471227531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104120800 + ... + 105416247.

It is an arithmetic number, because the mean of its divisors is an integer number (4118660215488).

Almost surely, 2^{135722174231028} is an apocalyptic number.

It is an amenable number.

135722174231028 is an abundant number, since it is smaller than the sum of its proper divisors (259669206455820).

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

135722174231028 is a wasteful number, since it uses less digits than its factorization.

135722174231028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209537773 (or 209537771 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 135722174231028 in words is "one hundred thirty-five trillion, seven hundred twenty-two billion, one hundred seventy-four million, two hundred thirty-one thousand, twenty-eight".