132171565 has 8 divisors (see below), whose sum is σ = 159108120. Its totient is φ = 105402432.

The previous prime is 132171563. The next prime is 132171629. The reversal of 132171565 is 565171231.

It can be written as a sum of positive squares in 4 ways, for example, as 335241 + 131836324 = 579^2 + 11482^2 .

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 132171565 - 2¹ = 132171563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132171563) 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, 40110 + ... + 43279.

It is an arithmetic number, because the mean of its divisors is an integer number (19888515).

Almost surely, 2^132171565 is an apocalyptic number.

It is an amenable number.

132171565 is a deficient number, since it is larger than the sum of its proper divisors (26936555).

132171565 is an equidigital number, since it uses as much as digits as its factorization.

132171565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83711.

The product of its digits is 6300, while the sum is 31.

The square root of 132171565 is about 11496.5892768247. The cubic root of 132171565 is about 509.3848343416.

The spelling of 132171565 in words is "one hundred thirty-two million, one hundred seventy-one thousand, five hundred sixty-five".