13545937280 has 128 divisors (see below), whose sum is σ = 34395036480. Its totient is φ = 5083758592.

The previous prime is 13545937261. The next prime is 13545937309. The reversal of 13545937280 is 8273954531.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838877 + ... + 3842403.

Almost surely, 2^13545937280 is an apocalyptic number.

13545937280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13545937280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17197518240).

13545937280 is an abundant number, since it is smaller than the sum of its proper divisors (20849099200).

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

13545937280 is a wasteful number, since it uses less digits than its factorization.

13545937280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 13545937280 in words is "thirteen billion, five hundred forty-five million, nine hundred thirty-seven thousand, two hundred eighty".