205414300139 has 2 divisors, whose sum is σ = 205414300140. Its totient is φ = 205414300138.

The previous prime is 205414300093. The next prime is 205414300151. The reversal of 205414300139 is 931003414502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205414300139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (205414330139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102707150069 + 102707150070.

It is an arithmetic number, because the mean of its divisors is an integer number (102707150070).

Almost surely, 2^205414300139 is an apocalyptic number.

205414300139 is a deficient number, since it is larger than the sum of its proper divisors (1).

205414300139 is an equidigital number, since it uses as much as digits as its factorization.

205414300139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 205414300139 in words is "two hundred five billion, four hundred fourteen million, three hundred thousand, one hundred thirty-nine".