138773000287 has 2 divisors, whose sum is σ = 138773000288. Its totient is φ = 138773000286.

The previous prime is 138773000263. The next prime is 138773000321. The reversal of 138773000287 is 782000377831.

138773000287 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 138773000287 - 2²⁷ = 138638782559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138773000207) 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, 69386500143 + 69386500144.

It is an arithmetic number, because the mean of its divisors is an integer number (69386500144).

Almost surely, 2^138773000287 is an apocalyptic number.

138773000287 is a deficient number, since it is larger than the sum of its proper divisors (1).

138773000287 is an equidigital number, since it uses as much as digits as its factorization.

138773000287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 138773000287 in words is "one hundred thirty-eight billion, seven hundred seventy-three million, two hundred eighty-seven", and thus it is an aban number.