135089216641 has 2 divisors, whose sum is σ = 135089216642. Its totient is φ = 135089216640.

The previous prime is 135089216629. The next prime is 135089216681. The reversal of 135089216641 is 146612980531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86389554241 + 48699662400 = 293921^2 + 220680^2 .

It is an emirp because it is prime and its reverse (146612980531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135089216641 - 2²³ = 135080828033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135089216591 and 135089216600.

It is not a weakly prime, because it can be changed into another prime (135089216681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67544608320 + 67544608321.

It is an arithmetic number, because the mean of its divisors is an integer number (67544608321).

Almost surely, 2^135089216641 is an apocalyptic number.

It is an amenable number.

135089216641 is a deficient number, since it is larger than the sum of its proper divisors (1).

135089216641 is an equidigital number, since it uses as much as digits as its factorization.

135089216641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 135089216641 in words is "one hundred thirty-five billion, eighty-nine million, two hundred sixteen thousand, six hundred forty-one".