130806790 has 16 divisors (see below), whose sum is σ = 235583280. Its totient is φ = 52293600.

The previous prime is 130806787. The next prime is 130806821. The reversal of 130806790 is 97608031.

It is a super-2 number, since 2×130806790² = 34220832620208200, which contains 22 as substring.

It is a congruent number.

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, 30265 + ... + 34315.

It is an arithmetic number, because the mean of its divisors is an integer number (14723955).

Almost surely, 2^130806790 is an apocalyptic number.

130806790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130806790 is a deficient number, since it is larger than the sum of its proper divisors (104776490).

130806790 is a wasteful number, since it uses less digits than its factorization.

130806790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 130806790 is about 11437.0796097605. The cubic root of 130806790 is about 507.6254989847.

The spelling of 130806790 in words is "one hundred thirty million, eight hundred six thousand, seven hundred ninety".