8005538142 has 48 divisors (see below), whose sum is σ = 19855455360. Its totient is φ = 2283579216.

The previous prime is 8005538089. The next prime is 8005538143. The reversal of 8005538142 is 2418355008.

It is a happy number.

8005538142 is a `hidden beast` number, since 80 + 0 + 5 + 538 + 1 + 42 = 666.

8005538142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8005538097 and 8005538106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005538143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26673 + ... + 129315.

It is an arithmetic number, because the mean of its divisors is an integer number (413655320).

Almost surely, 2^8005538142 is an apocalyptic number.

8005538142 is an abundant number, since it is smaller than the sum of its proper divisors (11849917218).

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

8005538142 is a wasteful number, since it uses less digits than its factorization.

8005538142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103277 (or 103274 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8005538142 is about 89473.6728987919. The cubic root of 8005538142 is about 2000.4614053777.

The spelling of 8005538142 in words is "eight billion, five million, five hundred thirty-eight thousand, one hundred forty-two".