300220139 has 2 divisors, whose sum is σ = 300220140. Its totient is φ = 300220138.

The previous prime is 300220111. The next prime is 300220147. The reversal of 300220139 is 931022003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 300220139 - 2⁸ = 300219883 is a prime.

It is a super-2 number, since 2×300220139² = 180264263722358642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 300220139.

It is not a weakly prime, because it can be changed into another prime (300220169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150110069 + 150110070.

It is an arithmetic number, because the mean of its divisors is an integer number (150110070).

Almost surely, 2^300220139 is an apocalyptic number.

300220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

300220139 is an equidigital number, since it uses as much as digits as its factorization.

300220139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 300220139 is about 17326.8617758670. The cubic root of 300220139 is about 669.5966526030.

The spelling of 300220139 in words is "three hundred million, two hundred twenty thousand, one hundred thirty-nine".