138382713487 has 2 divisors, whose sum is σ = 138382713488. Its totient is φ = 138382713486.

The previous prime is 138382713467. The next prime is 138382713517. The reversal of 138382713487 is 784317283831.

It is a weak prime.

It is an emirp because it is prime and its reverse (784317283831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138382713487 - 2¹⁵ = 138382680719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138382713467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69191356743 + 69191356744.

It is an arithmetic number, because the mean of its divisors is an integer number (69191356744).

Almost surely, 2^138382713487 is an apocalyptic number.

138382713487 is a deficient number, since it is larger than the sum of its proper divisors (1).

138382713487 is an equidigital number, since it uses as much as digits as its factorization.

138382713487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The spelling of 138382713487 in words is "one hundred thirty-eight billion, three hundred eighty-two million, seven hundred thirteen thousand, four hundred eighty-seven".