132389 has 4 divisors (see below), whose sum is σ = 135660. Its totient is φ = 129120.

The previous prime is 132383. The next prime is 132403. The reversal of 132389 is 983231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983231 = 19 ⋅51749.

It can be written as a sum of positive squares in 2 ways, for example, as 20164 + 112225 = 142^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 132389 - 2¹⁶ = 66853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132383) 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, 1574 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (33915).

2¹³²³⁸⁹ is an apocalyptic number.

It is an amenable number.

132389 is a deficient number, since it is larger than the sum of its proper divisors (3271).

132389 is an equidigital number, since it uses as much as digits as its factorization.

132389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its digits is 1296, while the sum is 26.

The square root of 132389 is about 363.8529922922. The cubic root of 132389 is about 50.9664010403.

The spelling of 132389 in words is "one hundred thirty-two thousand, three hundred eighty-nine".