130113440 has 24 divisors (see below), whose sum is σ = 307393380. Its totient is φ = 52045312.

The previous prime is 130113433. The next prime is 130113443. The reversal of 130113440 is 44311031.

It can be written as a sum of positive squares in 2 ways, for example, as 128777104 + 1336336 = 11348^2 + 1156^2 .

It is not an unprimeable number, because it can be changed into a prime (130113443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406445 + ... + 406764.

Almost surely, 2^130113440 is an apocalyptic number.

130113440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130113440 is an abundant number, since it is smaller than the sum of its proper divisors (177279940).

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

130113440 is an equidigital number, since it uses as much as digits as its factorization.

130113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813224 (or 813216 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130113440 is about 11406.7278393061. The cubic root of 130113440 is about 506.7270088181.

Adding to 130113440 its reverse (44311031), we get a palindrome (174424471).

It can be divided in two parts, 1301 and 13440, that added together give a palindrome (14741).

The spelling of 130113440 in words is "one hundred thirty million, one hundred thirteen thousand, four hundred forty".