135313120344 has 32 divisors (see below), whose sum is σ = 356087160000. Its totient is φ = 42730458912.

The previous prime is 135313120331. The next prime is 135313120391. The reversal of 135313120344 is 443021313531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148369194 + ... + 148370105.

It is an arithmetic number, because the mean of its divisors is an integer number (11127723750).

Almost surely, 2^135313120344 is an apocalyptic number.

It is an amenable number.

135313120344 is an abundant number, since it is smaller than the sum of its proper divisors (220774039656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135313120344 is a wasteful number, since it uses less digits than its factorization.

135313120344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296739327 (or 296739323 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 135313120344 its reverse (443021313531), we get a palindrome (578334433875).

The spelling of 135313120344 in words is "one hundred thirty-five billion, three hundred thirteen million, one hundred twenty thousand, three hundred forty-four".