133466 has 4 divisors (see below), whose sum is σ = 200202. Its totient is φ = 66732.

The previous prime is 133451. The next prime is 133481. The reversal of 133466 is 664331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (133451) and next prime (133481).

It can be written as a sum of positive squares in only one way, i.e., 73441 + 60025 = 271^2 + 245^2 .

It is a Curzon number.

It is a plaindrome in base 10.

It is an unprimeable number.

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, 33365 + ... + 33368.

2¹³³⁴⁶⁶ is an apocalyptic number.

133466 is a deficient number, since it is larger than the sum of its proper divisors (66736).

133466 is an equidigital number, since it uses as much as digits as its factorization.

133466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66735.

The product of its digits is 1296, while the sum is 23.

The square root of 133466 is about 365.3299878192. The cubic root of 133466 is about 51.1042338293.

Adding to 133466 its reverse (664331), we get a palindrome (797797).

The spelling of 133466 in words is "one hundred thirty-three thousand, four hundred sixty-six".