130046813 has 4 divisors (see below), whose sum is σ = 140050428. Its totient is φ = 120043200.

The previous prime is 130046803. The next prime is 130046863. The reversal of 130046813 is 318640031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 112423609 = 4198^2 + 10603^2 .

It is a cyclic number.

It is not a de Polignac number, because 130046813 - 2¹⁰ = 130045789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130046803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001788 + ... + 5001813.

It is an arithmetic number, because the mean of its divisors is an integer number (35012607).

Almost surely, 2^130046813 is an apocalyptic number.

130046813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130046813 is a deficient number, since it is larger than the sum of its proper divisors (10003615).

130046813 is a wasteful number, since it uses less digits than its factorization.

130046813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003614.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130046813 is about 11403.8069520665. The cubic root of 130046813 is about 506.6405010630.

Adding to 130046813 its reverse (318640031), we get a palindrome (448686844).

The spelling of 130046813 in words is "one hundred thirty million, forty-six thousand, eight hundred thirteen".