130343418 has 20 divisors (see below), whose sum is σ = 292066170. Its totient is φ = 43447752.

The previous prime is 130343413. The next prime is 130343419. The reversal of 130343418 is 814343031.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 32867289 = 9873^2 + 5733^2 .

It is a super-3 number, since 3×130343418³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 130343391 and 130343400.

It is not an unprimeable number, because it can be changed into a prime (130343413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402133 + ... + 402456.

Almost surely, 2^130343418 is an apocalyptic number.

130343418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130343418 is an abundant number, since it is smaller than the sum of its proper divisors (161722752).

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

130343418 is an equidigital number, since it uses as much as digits as its factorization.

130343418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804603 (or 804594 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 130343418 is about 11416.8041938189. The cubic root of 130343418 is about 507.0253829944.

Adding to 130343418 its reverse (814343031), we get a palindrome (944686449).

The spelling of 130343418 in words is "one hundred thirty million, three hundred forty-three thousand, four hundred eighteen".