171229090132 has 24 divisors (see below), whose sum is σ = 300694951872. Its totient is φ = 85316563200.

The previous prime is 171229090093. The next prime is 171229090133. The reversal of 171229090132 is 231090922171.

It is a super-4 number, since 4×171229090132⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171229090091 and 171229090100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171229090133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179657 + ... + 2256847.

It is an arithmetic number, because the mean of its divisors is an integer number (12528956328).

Almost surely, 2^171229090132 is an apocalyptic number.

It is an amenable number.

171229090132 is a deficient number, since it is larger than the sum of its proper divisors (129465861740).

171229090132 is a wasteful number, since it uses less digits than its factorization.

171229090132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79119 (or 79117 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 171229090132 in words is "one hundred seventy-one billion, two hundred twenty-nine million, ninety thousand, one hundred thirty-two".