133244 has 6 divisors (see below), whose sum is σ = 233184. Its totient is φ = 66620.

The previous prime is 133241. The next prime is 133253. The reversal of 133244 is 442331.

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 (133241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16652 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (38864).

2¹³³²⁴⁴ is an apocalyptic number.

It is an amenable number.

133244 is a deficient number, since it is larger than the sum of its proper divisors (99940).

133244 is a wasteful number, since it uses less digits than its factorization.

133244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33315 (or 33313 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 133244 is about 365.0260264693. The cubic root of 133244 is about 51.0758834478.

Adding to 133244 its reverse (442331), we get a palindrome (575575).

The spelling of 133244 in words is "one hundred thirty-three thousand, two hundred forty-four".