188272134 has 16 divisors (see below), whose sum is σ = 418382640. Its totient is φ = 62757360.

The previous prime is 188272129. The next prime is 188272141. The reversal of 188272134 is 431272881.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1743207 + ... + 1743314.

It is an arithmetic number, because the mean of its divisors is an integer number (26148915).

Almost surely, 2^188272134 is an apocalyptic number.

188272134 is an abundant number, since it is smaller than the sum of its proper divisors (230110506).

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

188272134 is a wasteful number, since it uses less digits than its factorization.

188272134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486532 (or 3486526 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 188272134 is about 13721.2293181041. The cubic root of 188272134 is about 573.1417099684.

The spelling of 188272134 in words is "one hundred eighty-eight million, two hundred seventy-two thousand, one hundred thirty-four".