139674383971 has 2 divisors, whose sum is σ = 139674383972. Its totient is φ = 139674383970.

The previous prime is 139674383929. The next prime is 139674384023. The reversal of 139674383971 is 179383476931.

139674383971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139674383971 - 2¹¹ = 139674381923 is a prime.

It is not a weakly prime, because it can be changed into another prime (139674383921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69837191985 + 69837191986.

It is an arithmetic number, because the mean of its divisors is an integer number (69837191986).

Almost surely, 2^139674383971 is an apocalyptic number.

139674383971 is a deficient number, since it is larger than the sum of its proper divisors (1).

139674383971 is an equidigital number, since it uses as much as digits as its factorization.

139674383971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 61.

The spelling of 139674383971 in words is "one hundred thirty-nine billion, six hundred seventy-four million, three hundred eighty-three thousand, nine hundred seventy-one".