188038130 has 16 divisors (see below), whose sum is σ = 386821440. Its totient is φ = 64470192.

The previous prime is 188038129. The next prime is 188038141. The reversal of 188038130 is 31830881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343060 + ... + 1343199.

It is an arithmetic number, because the mean of its divisors is an integer number (24176340).

Almost surely, 2^188038130 is an apocalyptic number.

188038130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188038130 is an abundant number, since it is smaller than the sum of its proper divisors (198783310).

188038130 is a wasteful number, since it uses less digits than its factorization.

188038130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686273.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 188038130 is about 13712.6995883378. The cubic root of 188038130 is about 572.9041583400.

The spelling of 188038130 in words is "one hundred eighty-eight million, thirty-eight thousand, one hundred thirty".