139604126145079 has 2 divisors, whose sum is σ = 139604126145080. Its totient is φ = 139604126145078.

The previous prime is 139604126145061. The next prime is 139604126145091. The reversal of 139604126145079 is 970541621406931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139604126145079 - 2¹³ = 139604126136887 is a prime.

It is a super-2 number, since 2×139604126145079² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139604121145079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69802063072539 + 69802063072540.

It is an arithmetic number, because the mean of its divisors is an integer number (69802063072540).

Almost surely, 2^{139604126145079} is an apocalyptic number.

139604126145079 is a deficient number, since it is larger than the sum of its proper divisors (1).

139604126145079 is an equidigital number, since it uses as much as digits as its factorization.

139604126145079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 139604126145079 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, seventy-nine".