8028135845 has 16 divisors (see below), whose sum is σ = 10213501248. Its totient is φ = 6036983040.

The previous prime is 8028135827. The next prime is 8028135881. The reversal of 8028135845 is 5485318208.

It is not a de Polignac number, because 8028135845 - 2⁶ = 8028135781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8028135796 and 8028135805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6890 + ... + 126900.

It is an arithmetic number, because the mean of its divisors is an integer number (638343828).

Almost surely, 2^8028135845 is an apocalyptic number.

8028135845 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8028135845 is a deficient number, since it is larger than the sum of its proper divisors (2185365403).

8028135845 is a wasteful number, since it uses less digits than its factorization.

8028135845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120820.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 8028135845 is about 89599.8652063718. The cubic root of 8028135845 is about 2002.3419104075.

The spelling of 8028135845 in words is "eight billion, twenty-eight million, one hundred thirty-five thousand, eight hundred forty-five".