8543142021138 has 8 divisors (see below), whose sum is σ = 17086284042288. Its totient is φ = 2847714007044.

The previous prime is 8543142021119. The next prime is 8543142021151. The reversal of 8543142021138 is 8311202413458.

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

8543142021138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 8543142021138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711928501756 + ... + 711928501767.

It is an arithmetic number, because the mean of its divisors is an integer number (2135785505286).

Almost surely, 2^{8543142021138} is an apocalyptic number.

8543142021138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8543142021138 is a wasteful number, since it uses less digits than its factorization.

8543142021138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423857003528.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 8543142021138 in words is "eight trillion, five hundred forty-three billion, one hundred forty-two million, twenty-one thousand, one hundred thirty-eight".