198526133 has 8 divisors (see below), whose sum is σ = 223093248. Its totient is φ = 175287024.

The previous prime is 198526129. The next prime is 198526157. The reversal of 198526133 is 331625891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198526133 - 2² = 198526129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198526103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331685 + ... + 332282.

It is an arithmetic number, because the mean of its divisors is an integer number (27886656).

Almost surely, 2^198526133 is an apocalyptic number.

198526133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

198526133 is a deficient number, since it is larger than the sum of its proper divisors (24567115).

198526133 is a wasteful number, since it uses less digits than its factorization.

198526133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664003.

The product of its digits is 38880, while the sum is 38.

The square root of 198526133 is about 14089.9301985496. The cubic root of 198526133 is about 583.3634665976.

The spelling of 198526133 in words is "one hundred ninety-eight million, five hundred twenty-six thousand, one hundred thirty-three".