133204211 has 8 divisors (see below), whose sum is σ = 155106144. Its totient is φ = 112020480.

The previous prime is 133204207. The next prime is 133204229. The reversal of 133204211 is 112402331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133204211 - 2² = 133204207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133204211.

It is not an unprimeable number, because it can be changed into a prime (133204811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179150 + ... + 179891.

It is an arithmetic number, because the mean of its divisors is an integer number (19388268).

Almost surely, 2^133204211 is an apocalyptic number.

133204211 is a deficient number, since it is larger than the sum of its proper divisors (21901933).

133204211 is an equidigital number, since it uses as much as digits as its factorization.

133204211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359101.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 133204211 is about 11541.4128684490. The cubic root of 133204211 is about 510.7079888956.

Adding to 133204211 its reverse (112402331), we get a palindrome (245606542).

The spelling of 133204211 in words is "one hundred thirty-three million, two hundred four thousand, two hundred eleven".