8140003 has 4 divisors (see below), whose sum is σ = 8158048. Its totient is φ = 8121960.

The previous prime is 8140001. The next prime is 8140009. The reversal of 8140003 is 3000418.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8140003 - 2¹ = 8140001 is a prime.

It is a Duffinian number.

8140003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8140001) 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 3 ways as a sum of consecutive naturals, for example, 8328 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (2039512).

Almost surely, 2^8140003 is an apocalyptic number.

8140003 is a deficient number, since it is larger than the sum of its proper divisors (18045).

8140003 is a wasteful number, since it uses less digits than its factorization.

8140003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 8140003 is about 2853.0690492871. The cubic root of 8140003 is about 201.1599512266.

The spelling of 8140003 in words is "eight million, one hundred forty thousand, three".