186138114 has 32 divisors (see below), whose sum is σ = 382294080. Its totient is φ = 60384000.

The previous prime is 186138109. The next prime is 186138131. The reversal of 186138114 is 411831681.

It is a happy number.

186138114 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 147217 + ... + 148475.

It is an arithmetic number, because the mean of its divisors is an integer number (11946690).

Almost surely, 2^186138114 is an apocalyptic number.

186138114 is an abundant number, since it is smaller than the sum of its proper divisors (196155966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

186138114 is a wasteful number, since it uses less digits than its factorization.

186138114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its digits is 4608, while the sum is 33.

The square root of 186138114 is about 13643.2442622713. The cubic root of 186138114 is about 570.9680012085.

Adding to 186138114 its reverse (411831681), we get a palindrome (597969795).

The spelling of 186138114 in words is "one hundred eighty-six million, one hundred thirty-eight thousand, one hundred fourteen".