133912198 has 24 divisors (see below), whose sum is σ = 241725600. Its totient is φ = 55410768.

The previous prime is 133912153. The next prime is 133912199. The reversal of 133912198 is 891219331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133912199) 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 11 ways as a sum of consecutive naturals, for example, 20718 + ... + 26401.

It is an arithmetic number, because the mean of its divisors is an integer number (10071900).

Almost surely, 2^133912198 is an apocalyptic number.

133912198 is a deficient number, since it is larger than the sum of its proper divisors (107813402).

133912198 is a wasteful number, since it uses less digits than its factorization.

133912198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47164 (or 47157 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 133912198 is about 11572.0438125683. The cubic root of 133912198 is about 511.6112033496.

The spelling of 133912198 in words is "one hundred thirty-three million, nine hundred twelve thousand, one hundred ninety-eight".