8143090 has 8 divisors (see below), whose sum is σ = 14657580. Its totient is φ = 3257232.

The previous prime is 8143043. The next prime is 8143097. The reversal of 8143090 is 903418.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 3481 = 2853^2 + 59^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8143097) 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, 407145 + ... + 407164.

Almost surely, 2^8143090 is an apocalyptic number.

8143090 is a deficient number, since it is larger than the sum of its proper divisors (6514490).

8143090 is a wasteful number, since it uses less digits than its factorization.

8143090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814316.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8143090 is about 2853.6099943755. The cubic root of 8143090 is about 201.1853771913.

The spelling of 8143090 in words is "eight million, one hundred forty-three thousand, ninety".