8140066 has 8 divisors (see below), whose sum is σ = 13320144. Its totient is φ = 3700020.

The previous prime is 8140063. The next prime is 8140087. The reversal of 8140066 is 6600418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8140066.

It is not an unprimeable number, because it can be changed into a prime (8140061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184980 + ... + 185023.

It is an arithmetic number, because the mean of its divisors is an integer number (1665018).

Almost surely, 2^8140066 is an apocalyptic number.

8140066 is a deficient number, since it is larger than the sum of its proper divisors (5180078).

8140066 is a wasteful number, since it uses less digits than its factorization.

8140066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370016.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8140066 is about 2853.0800900080. The cubic root of 8140066 is about 201.1604701881.

The spelling of 8140066 in words is "eight million, one hundred forty thousand, sixty-six".