139030187171 has 2 divisors, whose sum is σ = 139030187172. Its totient is φ = 139030187170.

The previous prime is 139030187159. The next prime is 139030187189. The reversal of 139030187171 is 171781030931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139030187171 - 2¹⁴ = 139030170787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (139030187771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69515093585 + 69515093586.

It is an arithmetic number, because the mean of its divisors is an integer number (69515093586).

Almost surely, 2^139030187171 is an apocalyptic number.

139030187171 is a deficient number, since it is larger than the sum of its proper divisors (1).

139030187171 is an equidigital number, since it uses as much as digits as its factorization.

139030187171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 139030187171 in words is "one hundred thirty-nine billion, thirty million, one hundred eighty-seven thousand, one hundred seventy-one".