130433186 has 12 divisors (see below), whose sum is σ = 211858002. Its totient is φ = 60199776.

The previous prime is 130433143. The next prime is 130433201. The reversal of 130433186 is 681334031.

It can be written as a sum of positive squares in 3 ways, for example, as 109098025 + 21335161 = 10445^2 + 4619^2 .

It is a super-2 number, since 2×130433186² = 34025632020221192, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192611 + ... + 193286.

Almost surely, 2^130433186 is an apocalyptic number.

130433186 is a deficient number, since it is larger than the sum of its proper divisors (81424816).

130433186 is a wasteful number, since it uses less digits than its factorization.

130433186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385925 (or 385912 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 130433186 is about 11420.7349150569. The cubic root of 130433186 is about 507.1417530436.

The spelling of 130433186 in words is "one hundred thirty million, four hundred thirty-three thousand, one hundred eighty-six".