340113289 has 2 divisors, whose sum is σ = 340113290. Its totient is φ = 340113288.

The previous prime is 340113251. The next prime is 340113317. The reversal of 340113289 is 982311043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215120889 + 124992400 = 14667^2 + 11180^2 .

It is a cyclic number.

It is not a de Polignac number, because 340113289 - 2⁹ = 340112777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340113289.

It is not a weakly prime, because it can be changed into another prime (340114289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170056644 + 170056645.

It is an arithmetic number, because the mean of its divisors is an integer number (170056645).

Almost surely, 2^340113289 is an apocalyptic number.

It is an amenable number.

340113289 is a deficient number, since it is larger than the sum of its proper divisors (1).

340113289 is an equidigital number, since it uses as much as digits as its factorization.

340113289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 340113289 is about 18442.1606380597. The cubic root of 340113289 is about 698.0307161027.

The spelling of 340113289 in words is "three hundred forty million, one hundred thirteen thousand, two hundred eighty-nine".