135221060301109 has 2 divisors, whose sum is σ = 135221060301110. Its totient is φ = 135221060301108.

The previous prime is 135221060301083. The next prime is 135221060301161. The reversal of 135221060301109 is 901103060122531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125025875161009 + 10195185140100 = 11181497^2 + 3192990^2 .

It is a cyclic number.

It is not a de Polignac number, because 135221060301109 - 2¹⁹ = 135221059776821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135221060301199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67610530150554 + 67610530150555.

It is an arithmetic number, because the mean of its divisors is an integer number (67610530150555).

Almost surely, 2^{135221060301109} is an apocalyptic number.

It is an amenable number.

135221060301109 is a deficient number, since it is larger than the sum of its proper divisors (1).

135221060301109 is an equidigital number, since it uses as much as digits as its factorization.

135221060301109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 135221060301109 in words is "one hundred thirty-five trillion, two hundred twenty-one billion, sixty million, three hundred one thousand, one hundred nine".