132171307 has 4 divisors (see below), whose sum is σ = 132659296. Its totient is φ = 131683320.

The previous prime is 132171283. The next prime is 132171337. The reversal of 132171307 is 703171231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132171307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132171337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243588 + ... + 244129.

It is an arithmetic number, because the mean of its divisors is an integer number (33164824).

Almost surely, 2^132171307 is an apocalyptic number.

132171307 is a deficient number, since it is larger than the sum of its proper divisors (487989).

132171307 is an equidigital number, since it uses as much as digits as its factorization.

132171307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487988.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 132171307 is about 11496.5780561000. The cubic root of 132171307 is about 509.3845029002.

The spelling of 132171307 in words is "one hundred thirty-two million, one hundred seventy-one thousand, three hundred seven".