171442427135 has 32 divisors (see below), whose sum is σ = 249485184000. Its totient is φ = 110408090112.

The previous prime is 171442427077. The next prime is 171442427137. The reversal of 171442427135 is 531724244171.

It is not a de Polignac number, because 171442427135 - 2²⁴ = 171425649919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171442427092 and 171442427101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171442427137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30635 + ... + 586364.

It is an arithmetic number, because the mean of its divisors is an integer number (7796412000).

Almost surely, 2^171442427135 is an apocalyptic number.

171442427135 is a deficient number, since it is larger than the sum of its proper divisors (78042756865).

171442427135 is a wasteful number, since it uses less digits than its factorization.

171442427135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617495.

The product of its digits is 188160, while the sum is 41.

The spelling of 171442427135 in words is "one hundred seventy-one billion, four hundred forty-two million, four hundred twenty-seven thousand, one hundred thirty-five".