187242236 has 12 divisors (see below), whose sum is σ = 328794312. Its totient is φ = 93301008.

The previous prime is 187242229. The next prime is 187242239. The reversal of 187242236 is 632242781.

187242236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 187242196 and 187242205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187242239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78710 + ... + 81053.

It is an arithmetic number, because the mean of its divisors is an integer number (27399526).

Almost surely, 2^187242236 is an apocalyptic number.

It is an amenable number.

187242236 is a deficient number, since it is larger than the sum of its proper divisors (141552076).

187242236 is a wasteful number, since it uses less digits than its factorization.

187242236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160060 (or 160058 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 187242236 is about 13683.6484900775. The cubic root of 187242236 is about 572.0947199979.

The spelling of 187242236 in words is "one hundred eighty-seven million, two hundred forty-two thousand, two hundred thirty-six".