206130907 has 2 divisors, whose sum is σ = 206130908. Its totient is φ = 206130906.

The previous prime is 206130901. The next prime is 206130931. The reversal of 206130907 is 709031602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206130907 is a prime.

It is a super-3 number, since 3×206130907³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (206130901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103065453 + 103065454.

It is an arithmetic number, because the mean of its divisors is an integer number (103065454).

Almost surely, 2^206130907 is an apocalyptic number.

206130907 is a deficient number, since it is larger than the sum of its proper divisors (1).

206130907 is an equidigital number, since it uses as much as digits as its factorization.

206130907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 206130907 is about 14357.2597315783. The cubic root of 206130907 is about 590.7191336464.

The spelling of 206130907 in words is "two hundred six million, one hundred thirty thousand, nine hundred seven".