135320341023 has 24 divisors (see below), whose sum is σ = 223446412800. Its totient is φ = 77304983184.

The previous prime is 135320341007. The next prime is 135320341063. The reversal of 135320341023 is 320143023531.

135320341023 is a `hidden beast` number, since 1 + 353 + 203 + 4 + 102 + 3 = 666.

It is not a de Polignac number, because 135320341023 - 2⁴ = 135320341007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135320341063) 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 23 ways as a sum of consecutive naturals, for example, 54483 + ... + 523076.

It is an arithmetic number, because the mean of its divisors is an integer number (9310267200).

Almost surely, 2^135320341023 is an apocalyptic number.

135320341023 is a deficient number, since it is larger than the sum of its proper divisors (88126071777).

135320341023 is a wasteful number, since it uses less digits than its factorization.

135320341023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581291 (or 581288 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 135320341023 its reverse (320143023531), we get a palindrome (455463364554).

The spelling of 135320341023 in words is "one hundred thirty-five billion, three hundred twenty million, three hundred forty-one thousand, twenty-three".