200000039 has 2 divisors, whose sum is σ = 200000040. Its totient is φ = 200000038.

The previous prime is 200000033. The next prime is 200000051. The reversal of 200000039 is 930000002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200000039 - 2¹⁶ = 199934503 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 199999969 and 200000032.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000019 + 100000020.

It is an arithmetic number, because the mean of its divisors is an integer number (100000020).

Almost surely, 2^200000039 is an apocalyptic number.

200000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000039 is an equidigital number, since it uses as much as digits as its factorization.

200000039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 200000039 is about 14142.1370025891. The cubic root of 200000039 is about 584.8035856548.

The spelling of 200000039 in words is "two hundred million, thirty-nine", and thus it is an aban number.