8142069 has 32 divisors (see below), whose sum is σ = 12660480. Its totient is φ = 4612608.

The previous prime is 8142049. The next prime is 8142077. The reversal of 8142069 is 9602418.

It is not a de Polignac number, because 8142069 - 2⁵ = 8142037 is a prime.

It is a super-2 number, since 2×8142069² = 132586575201522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25857 + ... + 26169.

It is an arithmetic number, because the mean of its divisors is an integer number (395640).

Almost surely, 2^8142069 is an apocalyptic number.

It is an amenable number.

8142069 is a deficient number, since it is larger than the sum of its proper divisors (4518411).

8142069 is a wasteful number, since it uses less digits than its factorization.

8142069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8142069 is about 2853.4310925621. The cubic root of 8142069 is about 201.1769684727.

The spelling of 8142069 in words is "eight million, one hundred forty-two thousand, sixty-nine".