133230205 has 8 divisors (see below), whose sum is σ = 165389400. Its totient is φ = 102908736.

The previous prime is 133230199. The next prime is 133230217. The reversal of 133230205 is 502032331.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 130370724 = 1691^2 + 11418^2 .

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 133230205 - 2²⁵ = 99675773 is a prime.

It is a super-3 number, since 3×133230205³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459270 + ... + 459559.

It is an arithmetic number, because the mean of its divisors is an integer number (20673675).

Almost surely, 2^133230205 is an apocalyptic number.

It is an amenable number.

133230205 is a deficient number, since it is larger than the sum of its proper divisors (32159195).

133230205 is an equidigital number, since it uses as much as digits as its factorization.

133230205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918863.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 133230205 is about 11542.5389321414. The cubic root of 133230205 is about 510.7412072649.

Adding to 133230205 its reverse (502032331), we get a palindrome (635262536).

The spelling of 133230205 in words is "one hundred thirty-three million, two hundred thirty thousand, two hundred five".