8042142169 has 8 divisors (see below), whose sum is σ = 8244593280. Its totient is φ = 7839991200.

The previous prime is 8042142139. The next prime is 8042142181. The reversal of 8042142169 is 9612412408.

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

It is a cyclic number.

It is not a de Polignac number, because 8042142169 - 2⁵ = 8042142137 is a prime.

It is a super-2 number, since 2×8042142169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8042142139) 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, 20277 + ... + 128434.

It is an arithmetic number, because the mean of its divisors is an integer number (1030574160).

Almost surely, 2^8042142169 is an apocalyptic number.

It is an amenable number.

8042142169 is a deficient number, since it is larger than the sum of its proper divisors (202451111).

8042142169 is a wasteful number, since it uses less digits than its factorization.

8042142169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150071.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 8042142169 is about 89677.9915531118. The cubic root of 8042142169 is about 2003.5056988640.

The spelling of 8042142169 in words is "eight billion, forty-two million, one hundred forty-two thousand, one hundred sixty-nine".