130640930 has 32 divisors (see below), whose sum is σ = 269153280. Its totient is φ = 44723520.

The previous prime is 130640899. The next prime is 130640933. The reversal of 130640930 is 39046031.

It is a self number, because there is not a number n which added to its sum of digits gives 130640930.

It is not an unprimeable number, because it can be changed into a prime (130640933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73391 + ... + 75149.

It is an arithmetic number, because the mean of its divisors is an integer number (8411040).

Almost surely, 2^130640930 is an apocalyptic number.

130640930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130640930 is an abundant number, since it is smaller than the sum of its proper divisors (138512350).

130640930 is a wasteful number, since it uses less digits than its factorization.

130640930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 130640930 is about 11429.8263328889. The cubic root of 130640930 is about 507.4108557540.

Adding to 130640930 its reverse (39046031), we get a palindrome (169686961).

The spelling of 130640930 in words is "one hundred thirty million, six hundred forty thousand, nine hundred thirty".