188534085 has 16 divisors (see below), whose sum is σ = 305290944. Its totient is φ = 99339392.

The previous prime is 188534081. The next prime is 188534089. The reversal of 188534085 is 580435881.

It is an interprime number because it is at equal distance from previous prime (188534081) and next prime (188534089).

It is a cyclic number.

It is not a de Polignac number, because 188534085 - 2² = 188534081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188534081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74472 + ... + 76961.

It is an arithmetic number, because the mean of its divisors is an integer number (19080684).

Almost surely, 2^188534085 is an apocalyptic number.

188534085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188534085 is a deficient number, since it is larger than the sum of its proper divisors (116756859).

188534085 is a wasteful number, since it uses less digits than its factorization.

188534085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151524.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 188534085 is about 13730.7714641239. The cubic root of 188534085 is about 573.4073989030.

The spelling of 188534085 in words is "one hundred eighty-eight million, five hundred thirty-four thousand, eighty-five".