139066412117 has 2 divisors, whose sum is σ = 139066412118. Its totient is φ = 139066412116.

The previous prime is 139066412081. The next prime is 139066412129. The reversal of 139066412117 is 711214660931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103226621521 + 35839790596 = 321289^2 + 189314^2 .

It is a cyclic number.

It is not a de Polignac number, because 139066412117 - 2⁶ = 139066412053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139066412137) 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, 69533206058 + 69533206059.

It is an arithmetic number, because the mean of its divisors is an integer number (69533206059).

Almost surely, 2^139066412117 is an apocalyptic number.

It is an amenable number.

139066412117 is a deficient number, since it is larger than the sum of its proper divisors (1).

139066412117 is an equidigital number, since it uses as much as digits as its factorization.

139066412117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 139066412117 in words is "one hundred thirty-nine billion, sixty-six million, four hundred twelve thousand, one hundred seventeen".