198005132 has 36 divisors (see below), whose sum is σ = 379842120. Its totient is φ = 90260352.

The previous prime is 198005111. The next prime is 198005179. The reversal of 198005132 is 231500891.

198005132 is digitally balanced in base 2, 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 = 198005095 and 198005104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54344 + ... + 57872.

It is an arithmetic number, because the mean of its divisors is an integer number (10551170).

Almost surely, 2^198005132 is an apocalyptic number.

It is an amenable number.

198005132 is a deficient number, since it is larger than the sum of its proper divisors (181836988).

198005132 is a wasteful number, since it uses less digits than its factorization.

198005132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 198005132 is about 14071.4296359681. The cubic root of 198005132 is about 582.8527039285.

The spelling of 198005132 in words is "one hundred ninety-eight million, five thousand, one hundred thirty-two".