206000133 has 4 divisors (see below), whose sum is σ = 274666848. Its totient is φ = 137333420.

The previous prime is 206000131. The next prime is 206000141. The reversal of 206000133 is 331000602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206000133 - 2¹ = 206000131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206000131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34333353 + ... + 34333358.

It is an arithmetic number, because the mean of its divisors is an integer number (68666712).

Almost surely, 2^206000133 is an apocalyptic number.

It is an amenable number.

206000133 is a deficient number, since it is larger than the sum of its proper divisors (68666715).

206000133 is an equidigital number, since it uses as much as digits as its factorization.

206000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68666714.

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

The square root of 206000133 is about 14352.7047276811. The cubic root of 206000133 is about 590.5941854644.

Adding to 206000133 its reverse (331000602), we get a palindrome (537000735).

The spelling of 206000133 in words is "two hundred six million, one hundred thirty-three", and thus it is an aban number.