135335061413 has 4 divisors (see below), whose sum is σ = 135345613548. Its totient is φ = 135324509280.

The previous prime is 135335061383. The next prime is 135335061457. The reversal of 135335061413 is 314160533531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314160533531 = 13 ⋅24166194887.

It can be written as a sum of positive squares in 2 ways, for example, as 24920411044 + 110414650369 = 157862^2 + 332287^2 .

It is a cyclic number.

It is not a de Polignac number, because 135335061413 - 2⁶ = 135335061349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135335061493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256806 + ... + 5282487.

It is an arithmetic number, because the mean of its divisors is an integer number (33836403387).

Almost surely, 2^135335061413 is an apocalyptic number.

It is an amenable number.

135335061413 is a deficient number, since it is larger than the sum of its proper divisors (10552135).

135335061413 is a wasteful number, since it uses less digits than its factorization.

135335061413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552134.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 135335061413 its reverse (314160533531), we get a palindrome (449495594944).

The spelling of 135335061413 in words is "one hundred thirty-five billion, three hundred thirty-five million, sixty-one thousand, four hundred thirteen".