130347810 has 24 divisors (see below), whose sum is σ = 338904540. Its totient is φ = 34759392.

The previous prime is 130347769. The next prime is 130347827. The reversal of 130347810 is 18743031.

It can be written as a sum of positive squares in 2 ways, for example, as 127848249 + 2499561 = 11307^2 + 1581^2 .

It is a super-2 number, since 2×130347810² = 33981103143592200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724065 + ... + 724244.

Almost surely, 2^130347810 is an apocalyptic number.

130347810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130347810 is an abundant number, since it is smaller than the sum of its proper divisors (208556730).

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

130347810 is a wasteful number, since it uses less digits than its factorization.

130347810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448322 (or 1448319 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 130347810 is about 11416.9965402465. The cubic root of 130347810 is about 507.0310777724.

The spelling of 130347810 in words is "one hundred thirty million, three hundred forty-seven thousand, eight hundred ten".