340145279 has 2 divisors, whose sum is σ = 340145280. Its totient is φ = 340145278.

The previous prime is 340145269. The next prime is 340145339. The reversal of 340145279 is 972541043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340145279 - 2²⁸ = 71709823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340145209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170072639 + 170072640.

It is an arithmetic number, because the mean of its divisors is an integer number (170072640).

Almost surely, 2^340145279 is an apocalyptic number.

340145279 is a deficient number, since it is larger than the sum of its proper divisors (1).

340145279 is an equidigital number, since it uses as much as digits as its factorization.

340145279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 340145279 is about 18443.0279238524. The cubic root of 340145279 is about 698.0526002839.

It can be divided in two parts, 34014 and 5279, that added together give a palindrome (39293).

The spelling of 340145279 in words is "three hundred forty million, one hundred forty-five thousand, two hundred seventy-nine".