132644 has 6 divisors (see below), whose sum is σ = 232134. Its totient is φ = 66320.

The previous prime is 132637. The next prime is 132647. The reversal of 132644 is 446231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 1600 = 362^2 + 40^2 .

It is a d-powerful number, because it can be written as 1 + 3⁵ + 6⁴ + 2¹⁷ + 4² + 4² .

It is not an unprimeable number, because it can be changed into a prime (132647) 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 as a sum of consecutive naturals, namely, 16577 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (38689).

2¹³²⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

132644 is a deficient number, since it is larger than the sum of its proper divisors (99490).

132644 is a wasteful number, since it uses less digits than its factorization.

132644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33165 (or 33163 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 132644 is about 364.2032399636. The cubic root of 132644 is about 50.9991028934. Note that the first 3 decimals are identical.

Adding to 132644 its reverse (446231), we get a palindrome (578875).

The spelling of 132644 in words is "one hundred thirty-two thousand, six hundred forty-four".