130805284 has 12 divisors (see below), whose sum is σ = 229267584. Its totient is φ = 65300264.

The previous prime is 130805281. The next prime is 130805309. The reversal of 130805284 is 482508031.

It is a super-2 number, since 2×130805284² = 34220044644641312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130805281) 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, 22684 + ... + 27859.

It is an arithmetic number, because the mean of its divisors is an integer number (19105632).

Almost surely, 2^130805284 is an apocalyptic number.

It is an amenable number.

130805284 is a deficient number, since it is larger than the sum of its proper divisors (98462300).

130805284 is a wasteful number, since it uses less digits than its factorization.

130805284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51194 (or 51192 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 130805284 is about 11437.0137710855. The cubic root of 130805284 is about 507.6235508521.

The spelling of 130805284 in words is "one hundred thirty million, eight hundred five thousand, two hundred eighty-four".