13500320104 has 16 divisors (see below), whose sum is σ = 25421743620.
Its totient is φ = 6721188480.
The previous prime is 13500320087. The next prime is 13500320117. The reversal of 13500320104 is 40102300531.
It can be written as a sum of positive squares in 2 ways, for example, as 12948164100 + 552156004 = 113790^2 + 23498^2
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619467 + ... + 3623194.
Almost surely, 213500320104 is an apocalyptic number.
It is an amenable number.
13500320104 is a deficient number, since it is larger than the sum of its proper divisors (11921423516).
13500320104 is a wasteful number, since it uses less digits than its factorization.
13500320104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7242900 (or 7242896 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
Adding to 13500320104 its reverse (40102300531), we get a palindrome (53602620635).
The spelling of 13500320104 in words is "thirteen billion, five hundred million, three hundred twenty thousand, one hundred four".