133264 has 10 divisors (see below), whose sum is σ = 258230. Its totient is φ = 66624.

The previous prime is 133261. The next prime is 133271. The reversal of 133264 is 462331.

It can be written as a sum of positive squares in only one way, i.e., 90000 + 43264 = 300^2 + 208^2 .

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (133261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4149 + ... + 4180.

It is an arithmetic number, because the mean of its divisors is an integer number (25823).

2¹³³²⁶⁴ is an apocalyptic number.

It is an amenable number.

133264 is a deficient number, since it is larger than the sum of its proper divisors (124966).

133264 is an equidigital number, since it uses as much as digits as its factorization.

133264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337 (or 8331 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 133264 is about 365.0534207483. The cubic root of 133264 is about 51.0784388264.

Adding to 133264 its reverse (462331), we get a palindrome (595595).

The spelling of 133264 in words is "one hundred thirty-three thousand, two hundred sixty-four".