132171231 has 8 divisors (see below), whose sum is σ = 176411520. Its totient is φ = 88022552.

The previous prime is 132171227. The next prime is 132171233.

It is a happy number.

132171231 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132171231 - 2² = 132171227 is a prime.

It is a super-2 number, since 2×132171231² = 34938468608110722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132171198 and 132171207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132171233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19461 + ... + 25358.

It is an arithmetic number, because the mean of its divisors is an integer number (22051440).

Almost surely, 2^132171231 is an apocalyptic number.

132171231 is a deficient number, since it is larger than the sum of its proper divisors (44240289).

132171231 is an equidigital number, since it uses as much as digits as its factorization.

132171231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45805.

The product of its digits is 252, while the sum is 21.

The square root of 132171231 is about 11496.5747507682. The cubic root of 132171231 is about 509.3844052663.

The spelling of 132171231 in words is "one hundred thirty-two million, one hundred seventy-one thousand, two hundred thirty-one".