135536349072991 has 2 divisors, whose sum is σ = 135536349072992. Its totient is φ = 135536349072990.

The previous prime is 135536349072931. The next prime is 135536349072997. The reversal of 135536349072991 is 199270943635531.

It is a strong prime.

It is an emirp because it is prime and its reverse (199270943635531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135536349072991 - 2¹¹ = 135536349070943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135536349072997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67768174536495 + 67768174536496.

It is an arithmetic number, because the mean of its divisors is an integer number (67768174536496).

Almost surely, 2^{135536349072991} is an apocalyptic number.

135536349072991 is a deficient number, since it is larger than the sum of its proper divisors (1).

135536349072991 is an equidigital number, since it uses as much as digits as its factorization.

135536349072991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165337200, while the sum is 67.

The spelling of 135536349072991 in words is "one hundred thirty-five trillion, five hundred thirty-six billion, three hundred forty-nine million, seventy-two thousand, nine hundred ninety-one".