130403724 has 48 divisors (see below), whose sum is σ = 334406016. Its totient is φ = 39222400.

The previous prime is 130403723. The next prime is 130403737. The reversal of 130403724 is 427304031.

It is a junction number, because it is equal to n+sod(n) for n = 130403694 and 130403703.

It is not an unprimeable number, because it can be changed into a prime (130403723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14479 + ... + 21689.

It is an arithmetic number, because the mean of its divisors is an integer number (6966792).

Almost surely, 2^130403724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130403724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167203008).

130403724 is an abundant number, since it is smaller than the sum of its proper divisors (204002292).

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

130403724 is a wasteful number, since it uses less digits than its factorization.

130403724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130403724 is about 11419.4449952701. Note that the first 3 decimals coincide. The cubic root of 130403724 is about 507.1035660967.

Adding to 130403724 its reverse (427304031), we get a palindrome (557707755).

The spelling of 130403724 in words is "one hundred thirty million, four hundred three thousand, seven hundred twenty-four".