813130 has 32 divisors (see below), whose sum is σ = 1571328. Its totient is φ = 302400.

The previous prime is 813121. The next prime is 813133. The reversal of 813130 is 31318.

It is a super-2 number, since 2×813130² = 1322360793800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13300 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (49104).

2⁸¹³¹³⁰ is an apocalyptic number.

813130 is a deficient number, since it is larger than the sum of its proper divisors (758198).

813130 is a wasteful number, since it uses less digits than its factorization.

813130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 813130 is about 901.7372122742. The cubic root of 813130 is about 93.3368904540.

Adding to 813130 its reverse (31318), we get a palindrome (844448).

The spelling of 813130 in words is "eight hundred thirteen thousand, one hundred thirty".