135064442641 has 2 divisors, whose sum is σ = 135064442642. Its totient is φ = 135064442640.

The previous prime is 135064442629. The next prime is 135064442657. The reversal of 135064442641 is 146244460531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82128096400 + 52936346241 = 286580^2 + 230079^2 .

It is a cyclic number.

It is not a de Polignac number, because 135064442641 - 2⁹ = 135064442129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135064442594 and 135064442603.

It is not a weakly prime, because it can be changed into another prime (135064442341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67532221320 + 67532221321.

It is an arithmetic number, because the mean of its divisors is an integer number (67532221321).

Almost surely, 2^135064442641 is an apocalyptic number.

It is an amenable number.

135064442641 is a deficient number, since it is larger than the sum of its proper divisors (1).

135064442641 is an equidigital number, since it uses as much as digits as its factorization.

135064442641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 135064442641 in words is "one hundred thirty-five billion, sixty-four million, four hundred forty-two thousand, six hundred forty-one".