340055239 has 2 divisors, whose sum is σ = 340055240. Its totient is φ = 340055238.

The previous prime is 340055159. The next prime is 340055269. The reversal of 340055239 is 932550043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340055239 - 2⁹ = 340054727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340055239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340055269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170027619 + 170027620.

It is an arithmetic number, because the mean of its divisors is an integer number (170027620).

Almost surely, 2^340055239 is an apocalyptic number.

340055239 is a deficient number, since it is larger than the sum of its proper divisors (1).

340055239 is an equidigital number, since it uses as much as digits as its factorization.

340055239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 340055239 is about 18440.5867314465. The cubic root of 340055239 is about 697.9910009157.

The spelling of 340055239 in words is "three hundred forty million, fifty-five thousand, two hundred thirty-nine".