188000036 has 24 divisors (see below), whose sum is σ = 376399296. Its totient is φ = 80485920.

The previous prime is 188000009. The next prime is 188000077. The reversal of 188000036 is 630000881.

188000036 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

188000036 is strictly pandigital in base 9.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 187999969 and 188000014.

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, 28271 + ... + 34281.

It is an arithmetic number, because the mean of its divisors is an integer number (15683304).

Almost surely, 2^188000036 is an apocalyptic number.

It is an amenable number.

188000036 is an abundant number, since it is smaller than the sum of its proper divisors (188399260).

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

188000036 is a wasteful number, since it uses less digits than its factorization.

188000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139 (or 7137 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 188000036 is about 13711.3105135869. The cubic root of 188000036 is about 572.8654681641.

The spelling of 188000036 in words is "one hundred eighty-eight million, thirty-six", and thus it is an aban number.