13729149320 has 32 divisors (see below), whose sum is σ = 31547836800. Its totient is φ = 5374815168.

The previous prime is 13729149311. The next prime is 13729149389. The reversal of 13729149320 is 2394192731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3649490 + ... + 3653249.

It is an arithmetic number, because the mean of its divisors is an integer number (985869900).

Almost surely, 2^13729149320 is an apocalyptic number.

13729149320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13729149320 is an abundant number, since it is smaller than the sum of its proper divisors (17818687480).

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

13729149320 is a wasteful number, since it uses less digits than its factorization.

13729149320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302797 (or 7302793 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 13729149320 in words is "thirteen billion, seven hundred twenty-nine million, one hundred forty-nine thousand, three hundred twenty".