8539899084139 has 4 divisors (see below), whose sum is σ = 8539905503224. Its totient is φ = 8539892665056.

The previous prime is 8539899084121. The next prime is 8539899084193. The reversal of 8539899084139 is 9314809989358.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8539899084139 - 2⁹ = 8539899083627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8539899084839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385917 + ... + 4150750.

It is an arithmetic number, because the mean of its divisors is an integer number (2134976375806).

Almost surely, 2^{8539899084139} is an apocalyptic number.

8539899084139 is a deficient number, since it is larger than the sum of its proper divisors (6419085).

8539899084139 is a wasteful number, since it uses less digits than its factorization.

8539899084139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419084.

The product of its (nonzero) digits is 604661760, while the sum is 76.

The spelling of 8539899084139 in words is "eight trillion, five hundred thirty-nine billion, eight hundred ninety-nine million, eighty-four thousand, one hundred thirty-nine".