130603728 has 40 divisors (see below), whose sum is σ = 345244768. Its totient is φ = 42521472.

The previous prime is 130603667. The next prime is 130603751. The reversal of 130603728 is 827306031.

It is a junction number, because it is equal to n+sod(n) for n = 130603695 and 130603704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29575 + ... + 33702.

Almost surely, 2^130603728 is an apocalyptic number.

It is an amenable number.

130603728 is an abundant number, since it is smaller than the sum of its proper divisors (214641040).

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

130603728 is a wasteful number, since it uses less digits than its factorization.

130603728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63331 (or 63325 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 130603728 is about 11428.1988082112. The cubic root of 130603728 is about 507.3626868513.

Adding to 130603728 its reverse (827306031), we get a palindrome (957909759).

The spelling of 130603728 in words is "one hundred thirty million, six hundred three thousand, seven hundred twenty-eight".