8475139528139 has 2 divisors, whose sum is σ = 8475139528140. Its totient is φ = 8475139528138.

The previous prime is 8475139528123. The next prime is 8475139528189. The reversal of 8475139528139 is 9318259315748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8475139528139 - 2⁴ = 8475139528123 is a prime.

It is not a weakly prime, because it can be changed into another prime (8475139528189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237569764069 + 4237569764070.

It is an arithmetic number, because the mean of its divisors is an integer number (4237569764070).

Almost surely, 2^{8475139528139} is an apocalyptic number.

8475139528139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8475139528139 is an equidigital number, since it uses as much as digits as its factorization.

8475139528139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 65.

The spelling of 8475139528139 in words is "eight trillion, four hundred seventy-five billion, one hundred thirty-nine million, five hundred twenty-eight thousand, one hundred thirty-nine".