139604126145091 has 2 divisors, whose sum is σ = 139604126145092. Its totient is φ = 139604126145090.

The previous prime is 139604126145079. The next prime is 139604126145101. The reversal of 139604126145091 is 190541621406931.

It is a strong prime.

It is an emirp because it is prime and its reverse (190541621406931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139604126145091 - 2²³ = 139604117756483 is a prime.

It is not a weakly prime, because it can be changed into another prime (139604126145061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69802063072545 + 69802063072546.

It is an arithmetic number, because the mean of its divisors is an integer number (69802063072546).

Almost surely, 2^{139604126145091} is an apocalyptic number.

139604126145091 is a deficient number, since it is larger than the sum of its proper divisors (1).

139604126145091 is an equidigital number, since it uses as much as digits as its factorization.

139604126145091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 139604126145091 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, ninety-one".