135243545404 has 72 divisors (see below), whose sum is σ = 272583123120. Its totient is φ = 58218336000.

The previous prime is 135243545377. The next prime is 135243545443. The reversal of 135243545404 is 404545342531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322112 + ... + 2379640.

It is an arithmetic number, because the mean of its divisors is an integer number (3785876710).

Almost surely, 2^135243545404 is an apocalyptic number.

It is an amenable number.

135243545404 is an abundant number, since it is smaller than the sum of its proper divisors (137339577716).

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

135243545404 is a wasteful number, since it uses less digits than its factorization.

135243545404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57691 (or 57666 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 135243545404 its reverse (404545342531), we get a palindrome (539788887935).

The spelling of 135243545404 in words is "one hundred thirty-five billion, two hundred forty-three million, five hundred forty-five thousand, four hundred four".