138003051397 has 2 divisors, whose sum is σ = 138003051398. Its totient is φ = 138003051396.

The previous prime is 138003051377. The next prime is 138003051413. The reversal of 138003051397 is 793150300831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99521951841 + 38481099556 = 315471^2 + 196166^2 .

It is a cyclic number.

It is not a de Polignac number, because 138003051397 - 2⁷ = 138003051269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138003051337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69001525698 + 69001525699.

It is an arithmetic number, because the mean of its divisors is an integer number (69001525699).

Almost surely, 2^138003051397 is an apocalyptic number.

It is an amenable number.

138003051397 is a deficient number, since it is larger than the sum of its proper divisors (1).

138003051397 is an equidigital number, since it uses as much as digits as its factorization.

138003051397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 138003051397 in words is "one hundred thirty-eight billion, three million, fifty-one thousand, three hundred ninety-seven".