13520251130 has 32 divisors (see below), whose sum is σ = 25774439760. Its totient is φ = 5088706560.

The previous prime is 13520251127. The next prime is 13520251159. The reversal of 13520251130 is 3115202531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1199029129 + 12321222001 = 34627^2 + 111001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13520251096 and 13520251105.

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, 939590 + ... + 953870.

Almost surely, 2^13520251130 is an apocalyptic number.

13520251130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13520251130 is a deficient number, since it is larger than the sum of its proper divisors (12254188630).

13520251130 is a wasteful number, since it uses less digits than its factorization.

13520251130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13520251130 its reverse (3115202531), we get a palindrome (16635453661).

The spelling of 13520251130 in words is "thirteen billion, five hundred twenty million, two hundred fifty-one thousand, one hundred thirty".