340904141 has 2 divisors, whose sum is σ = 340904142. Its totient is φ = 340904140.

The previous prime is 340904131. The next prime is 340904143. The reversal of 340904141 is 141409043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340550116 + 354025 = 18454^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340904141 is a prime.

Together with 340904143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340904141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340904143) 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, 170452070 + 170452071.

It is an arithmetic number, because the mean of its divisors is an integer number (170452071).

Almost surely, 2^340904141 is an apocalyptic number.

It is an amenable number.

340904141 is a deficient number, since it is larger than the sum of its proper divisors (1).

340904141 is an equidigital number, since it uses as much as digits as its factorization.

340904141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 340904141 is about 18463.5896022415. The cubic root of 340904141 is about 698.5713317147.

The spelling of 340904141 in words is "three hundred forty million, nine hundred four thousand, one hundred forty-one".