135105441313 has 4 divisors (see below), whose sum is σ = 135106588548. Its totient is φ = 135104294080.

The previous prime is 135105441311. The next prime is 135105441377. The reversal of 135105441313 is 313144501531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313144501531 = 189593 ⋅1651667.

It can be written as a sum of positive squares in 2 ways, for example, as 130601286544 + 4504154769 = 361388^2 + 67113^2 .

It is a cyclic number.

It is not a de Polignac number, because 135105441313 - 2¹ = 135105441311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135105441311) 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, 373756 + ... + 640237.

It is an arithmetic number, because the mean of its divisors is an integer number (33776647137).

Almost surely, 2^135105441313 is an apocalyptic number.

It is an amenable number.

135105441313 is a deficient number, since it is larger than the sum of its proper divisors (1147235).

135105441313 is a wasteful number, since it uses less digits than its factorization.

135105441313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147234.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 135105441313 its reverse (313144501531), we get a palindrome (448249942844).

The spelling of 135105441313 in words is "one hundred thirty-five billion, one hundred five million, four hundred forty-one thousand, three hundred thirteen".