132689 has 2 divisors, whose sum is σ = 132690. Its totient is φ = 132688.

The previous prime is 132679. The next prime is 132697. The reversal of 132689 is 986231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78400 + 54289 = 280^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 132689 - 2¹⁶ = 67153 is a prime.

It is not a weakly prime, because it can be changed into another prime (132619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66344 + 66345.

It is an arithmetic number, because the mean of its divisors is an integer number (66345).

2¹³²⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

132689 is a deficient number, since it is larger than the sum of its proper divisors (1).

132689 is an equidigital number, since it uses as much as digits as its factorization.

132689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 132689 is about 364.2650134174. The cubic root of 132689 is about 51.0048694569.

The spelling of 132689 in words is "one hundred thirty-two thousand, six hundred eighty-nine".