340354117 has 2 divisors, whose sum is σ = 340354118. Its totient is φ = 340354116.

The previous prime is 340354103. The next prime is 340354139. The reversal of 340354117 is 711453043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246050596 + 94303521 = 15686^2 + 9711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340354117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340355117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170177058 + 170177059.

It is an arithmetic number, because the mean of its divisors is an integer number (170177059).

Almost surely, 2^340354117 is an apocalyptic number.

It is an amenable number.

340354117 is a deficient number, since it is larger than the sum of its proper divisors (1).

340354117 is an equidigital number, since it uses as much as digits as its factorization.

340354117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 340354117 is about 18448.6887609933. The cubic root of 340354117 is about 698.1954314930.

The spelling of 340354117 in words is "three hundred forty million, three hundred fifty-four thousand, one hundred seventeen".