340130293 has 2 divisors, whose sum is σ = 340130294. Its totient is φ = 340130292.

The previous prime is 340130291. The next prime is 340130303. The reversal of 340130293 is 392031043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172738449 + 167391844 = 13143^2 + 12938^2 .

It is a cyclic number.

It is not a de Polignac number, because 340130293 - 2¹ = 340130291 is a prime.

Together with 340130291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340130291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170065146 + 170065147.

It is an arithmetic number, because the mean of its divisors is an integer number (170065147).

Almost surely, 2^340130293 is an apocalyptic number.

It is an amenable number.

340130293 is a deficient number, since it is larger than the sum of its proper divisors (1).

340130293 is an equidigital number, since it uses as much as digits as its factorization.

340130293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 340130293 is about 18442.6216411876. The cubic root of 340130293 is about 698.0423486155.

The spelling of 340130293 in words is "three hundred forty million, one hundred thirty thousand, two hundred ninety-three".