8140342 has 16 divisors (see below), whose sum is σ = 14039712. Its totient is φ = 3467520.

The previous prime is 8140339. The next prime is 8140343. The reversal of 8140342 is 2430418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140343) 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 in 7 ways as a sum of consecutive naturals, for example, 742 + ... + 4102.

It is an arithmetic number, because the mean of its divisors is an integer number (877482).

Almost surely, 2^8140342 is an apocalyptic number.

8140342 is a deficient number, since it is larger than the sum of its proper divisors (5899370).

8140342 is a wasteful number, since it uses less digits than its factorization.

8140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 8140342 is about 2853.1284583769. The cubic root of 8140342 is about 201.1627437021.

The spelling of 8140342 in words is "eight million, one hundred forty thousand, three hundred forty-two".