1306130730 has 16 divisors (see below), whose sum is σ = 3134713824. Its totient is φ = 348301520.

The previous prime is 1306130713. The next prime is 1306130801. The reversal of 1306130730 is 370316031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306130730.

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, 21768816 + ... + 21768875.

It is an arithmetic number, because the mean of its divisors is an integer number (195919614).

Almost surely, 2^1306130730 is an apocalyptic number.

1306130730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306130730 is an abundant number, since it is smaller than the sum of its proper divisors (1828583094).

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

1306130730 is a wasteful number, since it uses less digits than its factorization.

1306130730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43537701.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 1306130730 is about 36140.4306836540. The cubic root of 1306130730 is about 1093.1058431570.

Adding to 1306130730 its reverse (370316031), we get a palindrome (1676446761).

The spelling of 1306130730 in words is "one billion, three hundred six million, one hundred thirty thousand, seven hundred thirty".