138751376287 has 2 divisors, whose sum is σ = 138751376288. Its totient is φ = 138751376286.

The previous prime is 138751376273. The next prime is 138751376377. The reversal of 138751376287 is 782673157831.

It is a weak prime.

It is an emirp because it is prime and its reverse (782673157831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138751376287 - 2¹¹ = 138751374239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138751371287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69375688143 + 69375688144.

It is an arithmetic number, because the mean of its divisors is an integer number (69375688144).

Almost surely, 2^138751376287 is an apocalyptic number.

138751376287 is a deficient number, since it is larger than the sum of its proper divisors (1).

138751376287 is an equidigital number, since it uses as much as digits as its factorization.

138751376287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 58.

The spelling of 138751376287 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, three hundred seventy-six thousand, two hundred eighty-seven".