130730812 has 24 divisors (see below), whose sum is σ = 231310800. Its totient is φ = 64646400.

The previous prime is 130730801. The next prime is 130730819. The reversal of 130730812 is 218037031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130730819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238723 + ... + 239269.

It is an arithmetic number, because the mean of its divisors is an integer number (9637950).

Almost surely, 2^130730812 is an apocalyptic number.

It is an amenable number.

130730812 is a deficient number, since it is larger than the sum of its proper divisors (100579988).

130730812 is a wasteful number, since it uses less digits than its factorization.

130730812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 130730812 is about 11433.7575625863. The cubic root of 130730812 is about 507.5271966465.

Adding to 130730812 its reverse (218037031), we get a palindrome (348767843).

The spelling of 130730812 in words is "one hundred thirty million, seven hundred thirty thousand, eight hundred twelve".