198103135 has 16 divisors (see below), whose sum is σ = 245643840. Its totient is φ = 153287680.

The previous prime is 198103133. The next prime is 198103181. The reversal of 198103135 is 531301891.

It is not a de Polignac number, because 198103135 - 2¹ = 198103133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198103097 and 198103106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198103133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13551 + ... + 24079.

It is an arithmetic number, because the mean of its divisors is an integer number (15352740).

Almost surely, 2^198103135 is an apocalyptic number.

198103135 is a deficient number, since it is larger than the sum of its proper divisors (47540705).

198103135 is a wasteful number, since it uses less digits than its factorization.

198103135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 198103135 is about 14074.9115450151. The cubic root of 198103135 is about 582.9488494029.

The spelling of 198103135 in words is "one hundred ninety-eight million, one hundred three thousand, one hundred thirty-five".