132171897 has 16 divisors (see below), whose sum is σ = 207039168. Its totient is φ = 73942080.

The previous prime is 132171887. The next prime is 132171899. The reversal of 132171897 is 798171231.

It is not a de Polignac number, because 132171897 - 2⁶ = 132171833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (132171899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153618 + ... + 154475.

It is an arithmetic number, because the mean of its divisors is an integer number (12939948).

Almost surely, 2^132171897 is an apocalyptic number.

It is an amenable number.

132171897 is a deficient number, since it is larger than the sum of its proper divisors (74867271).

132171897 is a wasteful number, since it uses less digits than its factorization.

132171897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308120.

The product of its digits is 21168, while the sum is 39.

The square root of 132171897 is about 11496.6037158806. The cubic root of 132171897 is about 509.3852608469.

The spelling of 132171897 in words is "one hundred thirty-two million, one hundred seventy-one thousand, eight hundred ninety-seven".