8103140 has 12 divisors (see below), whose sum is σ = 17016636. Its totient is φ = 3241248.

The previous prime is 8103127. The next prime is 8103149. The reversal of 8103140 is 413018.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 6120676 = 1408^2 + 2474^2 .

It is not an unprimeable number, because it can be changed into a prime (8103149) 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, 202559 + ... + 202598.

It is an arithmetic number, because the mean of its divisors is an integer number (1418053).

Almost surely, 2^8103140 is an apocalyptic number.

It is an amenable number.

8103140 is an abundant number, since it is smaller than the sum of its proper divisors (8913496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8103140 is a wasteful number, since it uses less digits than its factorization.

8103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405166 (or 405164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 8103140 is about 2846.6014824699. The cubic root of 8103140 is about 200.8558325296.

Adding to 8103140 its reverse (413018), we get a palindrome (8516158).

The spelling of 8103140 in words is "eight million, one hundred three thousand, one hundred forty".