13134221120 has 28 divisors (see below), whose sum is σ = 31275864804. Its totient is φ = 5253688320.

The previous prime is 13134221083. The next prime is 13134221153. The reversal of 13134221120 is 2112243131.

It can be written as a sum of positive squares in 2 ways, for example, as 2708994304 + 10425226816 = 52048^2 + 102104^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13134221092 and 13134221101.

It is a congruent number.

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, 20521901 + ... + 20522540.

Almost surely, 2^13134221120 is an apocalyptic number.

13134221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13134221120 is an abundant number, since it is smaller than the sum of its proper divisors (18141643684).

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

13134221120 is an equidigital number, since it uses as much as digits as its factorization.

13134221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41044458 (or 41044448 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13134221120 its reverse (2112243131), we get a palindrome (15246464251).

The spelling of 13134221120 in words is "thirteen billion, one hundred thirty-four million, two hundred twenty-one thousand, one hundred twenty".