13531135404 has 24 divisors (see below), whose sum is σ = 32661362160. Its totient is φ = 4354848064.

The previous prime is 13531135379. The next prime is 13531135411. The reversal of 13531135404 is 40453113531.

13531135404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 19440939 + ... + 19441634.

It is an arithmetic number, because the mean of its divisors is an integer number (1360890090).

Almost surely, 2^13531135404 is an apocalyptic number.

It is an amenable number.

13531135404 is an abundant number, since it is smaller than the sum of its proper divisors (19130226756).

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

13531135404 is a wasteful number, since it uses less digits than its factorization.

13531135404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38882609 (or 38882607 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 13531135404 its reverse (40453113531), we get a palindrome (53984248935).

The spelling of 13531135404 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-five thousand, four hundred four".