13504541388 has 96 divisors (see below), whose sum is σ = 34595097600. Its totient is φ = 4074706944.

The previous prime is 13504541387. The next prime is 13504541437. The reversal of 13504541388 is 88314540531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13504541387) 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 31 ways as a sum of consecutive naturals, for example, 4259868 + ... + 4263036.

It is an arithmetic number, because the mean of its divisors is an integer number (360365600).

Almost surely, 2^13504541388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13504541388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297548800).

13504541388 is an abundant number, since it is smaller than the sum of its proper divisors (21090556212).

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

13504541388 is a wasteful number, since it uses less digits than its factorization.

13504541388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 13504541388 in words is "thirteen billion, five hundred four million, five hundred forty-one thousand, three hundred eighty-eight".