138103769093 has 2 divisors, whose sum is σ = 138103769094. Its totient is φ = 138103769092.

The previous prime is 138103769071. The next prime is 138103769171. The reversal of 138103769093 is 390967301831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120493682884 + 17610086209 = 347122^2 + 132703^2 .

It is a cyclic number.

It is not a de Polignac number, because 138103769093 - 2¹⁸ = 138103506949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138103769033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69051884546 + 69051884547.

It is an arithmetic number, because the mean of its divisors is an integer number (69051884547).

Almost surely, 2^138103769093 is an apocalyptic number.

It is an amenable number.

138103769093 is a deficient number, since it is larger than the sum of its proper divisors (1).

138103769093 is an equidigital number, since it uses as much as digits as its factorization.

138103769093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 138103769093 in words is "one hundred thirty-eight billion, one hundred three million, seven hundred sixty-nine thousand, ninety-three".