132173172 has 18 divisors (see below), whose sum is σ = 334104498. Its totient is φ = 44057712.

The previous prime is 132173161. The next prime is 132173183. The reversal of 132173172 is 271371231.

It is an interprime number because it is at equal distance from previous prime (132173161) and next prime (132173183).

It can be written as a sum of positive squares in only one way, i.e., 87497316 + 44675856 = 9354^2 + 6684^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 1835703 + ... + 1835774.

It is an arithmetic number, because the mean of its divisors is an integer number (18561361).

Almost surely, 2^132173172 is an apocalyptic number.

132173172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132173172 is an abundant number, since it is smaller than the sum of its proper divisors (201931326).

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

132173172 is a wasteful number, since it uses less digits than its factorization.

132173172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671487 (or 3671482 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 132173172 is about 11496.6591669058. The cubic root of 132173172 is about 509.3868987748.

The spelling of 132173172 in words is "one hundred thirty-two million, one hundred seventy-three thousand, one hundred seventy-two".