135311305575863 has 4 divisors (see below), whose sum is σ = 135311363268048. Its totient is φ = 135311247883680.

The previous prime is 135311305575851. The next prime is 135311305575907. The reversal of 135311305575863 is 368575503113531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135311305575863 - 2¹⁰ = 135311305574839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135311305575799 and 135311305575808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135311305515863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25172003 + ... + 30070788.

It is an arithmetic number, because the mean of its divisors is an integer number (33827840817012).

Almost surely, 2^{135311305575863} is an apocalyptic number.

135311305575863 is a deficient number, since it is larger than the sum of its proper divisors (57692185).

135311305575863 is an equidigital number, since it uses as much as digits as its factorization.

135311305575863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57692184.

The product of its (nonzero) digits is 17010000, while the sum is 56.

The spelling of 135311305575863 in words is "one hundred thirty-five trillion, three hundred eleven billion, three hundred five million, five hundred seventy-five thousand, eight hundred sixty-three".