8142319 has 2 divisors, whose sum is σ = 8142320. Its totient is φ = 8142318.

The previous prime is 8142311. The next prime is 8142349. The reversal of 8142319 is 9132418.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8142319 - 2³ = 8142311 is a prime.

It is a super-2 number, since 2×8142319² = 132594717395522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8142311) 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, 4071159 + 4071160.

It is an arithmetic number, because the mean of its divisors is an integer number (4071160).

Almost surely, 2^8142319 is an apocalyptic number.

8142319 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142319 is an equidigital number, since it uses as much as digits as its factorization.

8142319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 8142319 is about 2853.4748991361. The cubic root of 8142319 is about 201.1790274796.

Subtracting 8142319 from its reverse (9132418), we obtain a palindrome (990099).

The spelling of 8142319 in words is "eight million, one hundred forty-two thousand, three hundred nineteen".