130503420 has 96 divisors (see below), whose sum is σ = 407715840. Its totient is φ = 34655040.

The previous prime is 130503383. The next prime is 130503421. The reversal of 130503420 is 24305031.

It is a super-2 number, since 2×130503420² = 34062285263392800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130503393 and 130503402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130503421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206505 + ... + 207135.

It is an arithmetic number, because the mean of its divisors is an integer number (4247040).

Almost surely, 2^130503420 is an apocalyptic number.

130503420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130503420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203857920).

130503420 is an abundant number, since it is smaller than the sum of its proper divisors (277212420).

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

130503420 is a wasteful number, since it uses less digits than its factorization.

130503420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130503420 is about 11423.8093471486. The cubic root of 130503420 is about 507.2327631199.

Adding to 130503420 its reverse (24305031), we get a palindrome (154808451).

The spelling of 130503420 in words is "one hundred thirty million, five hundred three thousand, four hundred twenty".