130134812 has 24 divisors (see below), whose sum is σ = 231730800. Its totient is φ = 63936000.

The previous prime is 130134811. The next prime is 130134827. The reversal of 130134812 is 218431031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134811) 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, 56687 + ... + 58937.

It is an arithmetic number, because the mean of its divisors is an integer number (9655450).

Almost surely, 2^130134812 is an apocalyptic number.

It is an amenable number.

130134812 is a deficient number, since it is larger than the sum of its proper divisors (101595988).

130134812 is a wasteful number, since it uses less digits than its factorization.

130134812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 130134812 is about 11407.6646163884. The cubic root of 130134812 is about 506.7547517290.

Adding to 130134812 its reverse (218431031), we get a palindrome (348565843).

The spelling of 130134812 in words is "one hundred thirty million, one hundred thirty-four thousand, eight hundred twelve".