130330521 has 12 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 86682840.

The previous prime is 130330451. The next prime is 130330523. The reversal of 130330521 is 125033031.

It is not a de Polignac number, because 130330521 - 2⁹ = 130330009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130330494 and 130330503.

It is not an unprimeable number, because it can be changed into a prime (130330523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12921 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (15724800).

Almost surely, 2^130330521 is an apocalyptic number.

It is an amenable number.

130330521 is a deficient number, since it is larger than the sum of its proper divisors (58367079).

130330521 is a wasteful number, since it uses less digits than its factorization.

130330521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036 (or 34033 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 130330521 is about 11416.2393545335. The cubic root of 130330521 is about 507.0086596796.

Adding to 130330521 its reverse (125033031), we get a palindrome (255363552).

The spelling of 130330521 in words is "one hundred thirty million, three hundred thirty thousand, five hundred twenty-one".