8142349 has 2 divisors, whose sum is σ = 8142350. Its totient is φ = 8142348.

The previous prime is 8142319. The next prime is 8142353. The reversal of 8142349 is 9432418.

8142349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 1225449 = 2630^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 8142349 - 2⁷ = 8142221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8142349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8142319) 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, 4071174 + 4071175.

It is an arithmetic number, because the mean of its divisors is an integer number (4071175).

Almost surely, 2^8142349 is an apocalyptic number.

It is an amenable number.

8142349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142349 is an equidigital number, since it uses as much as digits as its factorization.

8142349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 8142349 is about 2853.4801558798. The cubic root of 8142349 is about 201.1792745576.

The spelling of 8142349 in words is "eight million, one hundred forty-two thousand, three hundred forty-nine".