3220240139 has 2 divisors, whose sum is σ = 3220240140. Its totient is φ = 3220240138.

The previous prime is 3220240087. The next prime is 3220240141. The reversal of 3220240139 is 9310420223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220240139 - 2¹² = 3220236043 is a prime.

Together with 3220240141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3220240159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610120069 + 1610120070.

It is an arithmetic number, because the mean of its divisors is an integer number (1610120070).

Almost surely, 2^3220240139 is an apocalyptic number.

3220240139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220240139 is an equidigital number, since it uses as much as digits as its factorization.

3220240139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3220240139 is about 56747.1597439026. The cubic root of 3220240139 is about 1476.7129598773.

The spelling of 3220240139 in words is "three billion, two hundred twenty million, two hundred forty thousand, one hundred thirty-nine".