139817097527087 has 2 divisors, whose sum is σ = 139817097527088. Its totient is φ = 139817097527086.

The previous prime is 139817097527077. The next prime is 139817097527197. The reversal of 139817097527087 is 780725790718931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139817097527087 - 2¹⁰ = 139817097526063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139817097527027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69908548763543 + 69908548763544.

It is an arithmetic number, because the mean of its divisors is an integer number (69908548763544).

Almost surely, 2^{139817097527087} is an apocalyptic number.

139817097527087 is a deficient number, since it is larger than the sum of its proper divisors (1).

139817097527087 is an equidigital number, since it uses as much as digits as its factorization.

139817097527087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373403520, while the sum is 74.

The spelling of 139817097527087 in words is "one hundred thirty-nine trillion, eight hundred seventeen billion, ninety-seven million, five hundred twenty-seven thousand, eighty-seven".