132289 has 4 divisors (see below), whose sum is σ = 133056. Its totient is φ = 131524.

The previous prime is 132287. The next prime is 132299. The reversal of 132289 is 982231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 132289 - 2¹ = 132287 is a prime.

It is a Duffinian number.

132289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (132283) 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, 12 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2¹³²²⁸⁹ is an apocalyptic number.

It is an amenable number.

132289 is a deficient number, since it is larger than the sum of its proper divisors (767).

132289 is an equidigital number, since it uses as much as digits as its factorization.

132289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its digits is 864, while the sum is 25.

The square root of 132289 is about 363.7155481967. The cubic root of 132289 is about 50.9535653216.

The spelling of 132289 in words is "one hundred thirty-two thousand, two hundred eighty-nine".