13521315130 has 16 divisors (see below), whose sum is σ = 24339720744. Its totient is φ = 5408225280.

The previous prime is 13521315077. The next prime is 13521315131. The reversal of 13521315130 is 3151312531.

It can be written as a sum of positive squares in 4 ways, for example, as 12348321129 + 1172994001 = 111123^2 + 34249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13521315095 and 13521315104.

It is not an unprimeable number, because it can be changed into a prime (13521315131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274894 + ... + 320326.

Almost surely, 2^13521315130 is an apocalyptic number.

13521315130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13521315130 is a deficient number, since it is larger than the sum of its proper divisors (10818405614).

13521315130 is a wasteful number, since it uses less digits than its factorization.

13521315130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75201.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13521315130 its reverse (3151312531), we get a palindrome (16672627661).

The spelling of 13521315130 in words is "thirteen billion, five hundred twenty-one million, three hundred fifteen thousand, one hundred thirty".