133206 has 12 divisors (see below), whose sum is σ = 268212. Its totient is φ = 44104.

The previous prime is 133201. The next prime is 133213. The reversal of 133206 is 602331.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201) by changing a digit.

133206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 820 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (22351).

2¹³³²⁰⁶ is an apocalyptic number.

133206 is an abundant number, since it is smaller than the sum of its proper divisors (135006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133206 is an equidigital number, since it uses as much as digits as its factorization.

133206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133206 is about 364.9739716747. The cubic root of 133206 is about 51.0710275241.

Adding to 133206 its reverse (602331), we get a palindrome (735537).

The spelling of 133206 in words is "one hundred thirty-three thousand, two hundred six".