13520189672 has 64 divisors (see below), whose sum is σ = 27896400000. Its totient is φ = 6092058880.

The previous prime is 13520189653. The next prime is 13520189693. The reversal of 13520189672 is 27698102531.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11000354 + ... + 11001582.

It is an arithmetic number, because the mean of its divisors is an integer number (435881250).

Almost surely, 2^13520189672 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 13520189672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13948200000).

13520189672 is an abundant number, since it is smaller than the sum of its proper divisors (14376210328).

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

13520189672 is a wasteful number, since it uses less digits than its factorization.

13520189672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 13520189672 in words is "thirteen billion, five hundred twenty million, one hundred eighty-nine thousand, six hundred seventy-two".