138986000077 has 2 divisors, whose sum is σ = 138986000078. Its totient is φ = 138986000076.

The previous prime is 138986000009. The next prime is 138986000093. The reversal of 138986000077 is 770000689831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87430210596 + 51555789481 = 295686^2 + 227059^2 .

It is an emirp because it is prime and its reverse (770000689831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138986000077 - 2¹⁹ = 138985475789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138986000477) 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, 69493000038 + 69493000039.

It is an arithmetic number, because the mean of its divisors is an integer number (69493000039).

Almost surely, 2^138986000077 is an apocalyptic number.

It is an amenable number.

138986000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

138986000077 is an equidigital number, since it uses as much as digits as its factorization.

138986000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 138986000077 in words is "one hundred thirty-eight billion, nine hundred eighty-six million, seventy-seven", and thus it is an aban number.