133652 has 6 divisors (see below), whose sum is σ = 233898. Its totient is φ = 66824.

The previous prime is 133649. The next prime is 133657. The reversal of 133652 is 256331.

It can be written as a sum of positive squares in only one way, i.e., 132496 + 1156 = 364^2 + 34^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133657) 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, 16703 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (38983).

2¹³³⁶⁵² is an apocalyptic number.

It is an amenable number.

133652 is a deficient number, since it is larger than the sum of its proper divisors (100246).

133652 is a wasteful number, since it uses less digits than its factorization.

133652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33417 (or 33415 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 133652 is about 365.5844635649. The cubic root of 133652 is about 51.1279626573.

Adding to 133652 its reverse (256331), we get a palindrome (389983).

The spelling of 133652 in words is "one hundred thirty-three thousand, six hundred fifty-two".