133053198 has 8 divisors (see below), whose sum is σ = 266106408. Its totient is φ = 44351064.

The previous prime is 133053187. The next prime is 133053211. The reversal of 133053198 is 891350331.

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

133053198 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11087761 + ... + 11087772.

It is an arithmetic number, because the mean of its divisors is an integer number (33263301).

Almost surely, 2^133053198 is an apocalyptic number.

133053198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133053198 is a wasteful number, since it uses less digits than its factorization.

133053198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22175538.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 133053198 is about 11534.8687898909. The cubic root of 133053198 is about 510.5149201526.

The spelling of 133053198 in words is "one hundred thirty-three million, fifty-three thousand, one hundred ninety-eight".