8069140 has 24 divisors (see below), whose sum is σ = 17012520. Its totient is φ = 3214848.

The previous prime is 8069119. The next prime is 8069143. The reversal of 8069140 is 419608.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 7918596 = 388^2 + 2814^2 .

It is a super-2 number, since 2×8069140² = 130222040679200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8069099 and 8069108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 6904.

It is an arithmetic number, because the mean of its divisors is an integer number (708855).

Almost surely, 2^8069140 is an apocalyptic number.

It is an amenable number.

8069140 is an abundant number, since it is smaller than the sum of its proper divisors (8943380).

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

8069140 is a wasteful number, since it uses less digits than its factorization.

8069140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8069140 is about 2840.6231710665. The cubic root of 8069140 is about 200.5745147504.

The spelling of 8069140 in words is "eight million, sixty-nine thousand, one hundred forty".