1000200139 has 2 divisors, whose sum is σ = 1000200140. Its totient is φ = 1000200138.

The previous prime is 1000200133. The next prime is 1000200163. The reversal of 1000200139 is 9310020001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000200139 - 2⁵ = 1000200107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000200133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100069 + 500100070.

It is an arithmetic number, because the mean of its divisors is an integer number (500100070).

Almost surely, 2^1000200139 is an apocalyptic number.

1000200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200139 is an equidigital number, since it uses as much as digits as its factorization.

1000200139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1000200139 is about 31625.9409188090. The cubic root of 1000200139 is about 1000.0667085499.

The spelling of 1000200139 in words is "one billion, two hundred thousand, one hundred thirty-nine".