13540047400 has 48 divisors (see below), whose sum is σ = 34342489440. Its totient is φ = 4923652800.

The previous prime is 13540047379. The next prime is 13540047427. The reversal of 13540047400 is 474004531.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3075084 + ... + 3079483.

It is an arithmetic number, because the mean of its divisors is an integer number (715468530).

Almost surely, 2^13540047400 is an apocalyptic number.

13540047400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13540047400 is an abundant number, since it is smaller than the sum of its proper divisors (20802442040).

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

13540047400 is a wasteful number, since it uses less digits than its factorization.

13540047400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154594 (or 6154585 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 13540047400 in words is "thirteen billion, five hundred forty million, forty-seven thousand, four hundred".