130811345 has 16 divisors (see below), whose sum is σ = 189952128. Its totient is φ = 84422400.

The previous prime is 130811321. The next prime is 130811357. The reversal of 130811345 is 543118031.

It is not a de Polignac number, because 130811345 - 2⁸ = 130811089 is a prime.

It is a super-2 number, since 2×130811345² = 34223215961418050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 109331 + ... + 110520.

It is an arithmetic number, because the mean of its divisors is an integer number (11872008).

Almost surely, 2^130811345 is an apocalyptic number.

It is an amenable number.

130811345 is a deficient number, since it is larger than the sum of its proper divisors (59140783).

130811345 is a wasteful number, since it uses less digits than its factorization.

130811345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219880.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 130811345 is about 11437.2787410293. The cubic root of 130811345 is about 507.6313911542.

Adding to 130811345 its reverse (543118031), we get a palindrome (673929376).

The spelling of 130811345 in words is "one hundred thirty million, eight hundred eleven thousand, three hundred forty-five".