132865 has 4 divisors (see below), whose sum is σ = 159444. Its totient is φ = 106288.

The previous prime is 132863. The next prime is 132887. The reversal of 132865 is 568231.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 27889 = 324^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 132865 - 2¹ = 132863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13282 + ... + 13291.

It is an arithmetic number, because the mean of its divisors is an integer number (39861).

2¹³²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

132865 is a deficient number, since it is larger than the sum of its proper divisors (26579).

132865 is an equidigital number, since it uses as much as digits as its factorization.

132865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26578.

The product of its digits is 1440, while the sum is 25.

The square root of 132865 is about 364.5065157168. The cubic root of 132865 is about 51.0274106144.

It can be divided in two parts, 13286 and 5, that multiplied together give a triangular number (66430 = T₃₆₄).

The spelling of 132865 in words is "one hundred thirty-two thousand, eight hundred sixty-five".