206153133 has 4 divisors (see below), whose sum is σ = 274870848. Its totient is φ = 137435420.

The previous prime is 206153113. The next prime is 206153153. The reversal of 206153133 is 331351602.

It is a happy number.

206153133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (206153113) and next prime (206153153).

It is a cyclic number.

It is not a de Polignac number, because 206153133 - 2¹² = 206149037 is a prime.

It is a super-2 number, since 2×206153133² = 84998228491431378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206153113) 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, 34358853 + ... + 34358858.

It is an arithmetic number, because the mean of its divisors is an integer number (68717712).

Almost surely, 2^206153133 is an apocalyptic number.

It is an amenable number.

206153133 is a deficient number, since it is larger than the sum of its proper divisors (68717715).

206153133 is an equidigital number, since it uses as much as digits as its factorization.

206153133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68717714.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 206153133 is about 14358.0337442144. The cubic root of 206153133 is about 590.7403642514.

The spelling of 206153133 in words is "two hundred six million, one hundred fifty-three thousand, one hundred thirty-three".