139497481327 has 2 divisors, whose sum is σ = 139497481328. Its totient is φ = 139497481326.

The previous prime is 139497481283. The next prime is 139497481381. The reversal of 139497481327 is 723184794931.

139497481327 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 139497481327 - 2¹¹ = 139497479279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139497481427) 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, 69748740663 + 69748740664.

It is an arithmetic number, because the mean of its divisors is an integer number (69748740664).

Almost surely, 2^139497481327 is an apocalyptic number.

139497481327 is a deficient number, since it is larger than the sum of its proper divisors (1).

139497481327 is an equidigital number, since it uses as much as digits as its factorization.

139497481327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The spelling of 139497481327 in words is "one hundred thirty-nine billion, four hundred ninety-seven million, four hundred eighty-one thousand, three hundred twenty-seven".