130188236 has 12 divisors (see below), whose sum is σ = 231230328. Its totient is φ = 64122432.

The previous prime is 130188229. The next prime is 130188271. The reversal of 130188236 is 632881031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242621 + ... + 243156.

It is an arithmetic number, because the mean of its divisors is an integer number (19269194).

Almost surely, 2^130188236 is an apocalyptic number.

It is an amenable number.

130188236 is a deficient number, since it is larger than the sum of its proper divisors (101042092).

130188236 is a wasteful number, since it uses less digits than its factorization.

130188236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485848 (or 485846 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 130188236 is about 11410.0059596829. The cubic root of 130188236 is about 506.8240879340.

The spelling of 130188236 in words is "one hundred thirty million, one hundred eighty-eight thousand, two hundred thirty-six".