133500206 has 12 divisors (see below), whose sum is σ = 232944408. Its totient is φ = 57214332.

The previous prime is 133500203. The next prime is 133500217. The reversal of 133500206 is 602005331.

133500206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133500203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681026 + ... + 681221.

It is an arithmetic number, because the mean of its divisors is an integer number (19412034).

Almost surely, 2^133500206 is an apocalyptic number.

133500206 is a deficient number, since it is larger than the sum of its proper divisors (99444202).

133500206 is a wasteful number, since it uses less digits than its factorization.

133500206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362263 (or 1362256 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133500206 is about 11554.2289227797. The cubic root of 133500206 is about 511.0859929090.

Adding to 133500206 its reverse (602005331), we get a palindrome (735505537).

The spelling of 133500206 in words is "one hundred thirty-three million, five hundred thousand, two hundred six".