8139040848187 has 2 divisors, whose sum is σ = 8139040848188. Its totient is φ = 8139040848186.

The previous prime is 8139040848181. The next prime is 8139040848247. The reversal of 8139040848187 is 7818480409318.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8139040848187 is a prime.

It is not a weakly prime, because it can be changed into another prime (8139040848181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069520424093 + 4069520424094.

It is an arithmetic number, because the mean of its divisors is an integer number (4069520424094).

Almost surely, 2^{8139040848187} is an apocalyptic number.

8139040848187 is a deficient number, since it is larger than the sum of its proper divisors (1).

8139040848187 is an equidigital number, since it uses as much as digits as its factorization.

8139040848187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 61.

The spelling of 8139040848187 in words is "eight trillion, one hundred thirty-nine billion, forty million, eight hundred forty-eight thousand, one hundred eighty-seven".