206016139 has 12 divisors (see below), whose sum is σ = 245227224. Its totient is φ = 172476864.

The previous prime is 206016137. The next prime is 206016193. The reversal of 206016139 is 931610602.

206016139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206016139 - 2¹ = 206016137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206016133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46782 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (20435602).

Almost surely, 2^206016139 is an apocalyptic number.

206016139 is a deficient number, since it is larger than the sum of its proper divisors (39211085).

206016139 is an equidigital number, since it uses as much as digits as its factorization.

206016139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97834 (or 97827 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 206016139 is about 14353.2623121017. The cubic root of 206016139 is about 590.6094812566.

The spelling of 206016139 in words is "two hundred six million, sixteen thousand, one hundred thirty-nine".