133005194 has 16 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 55036464.

The previous prime is 133005163. The next prime is 133005199. The reversal of 133005194 is 491500331.

It is not an unprimeable number, because it can be changed into a prime (133005199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163394 + ... + 164205.

It is an arithmetic number, because the mean of its divisors is an integer number (14742000).

Almost surely, 2^133005194 is an apocalyptic number.

133005194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133005194 is a deficient number, since it is larger than the sum of its proper divisors (102866806).

133005194 is a wasteful number, since it uses less digits than its factorization.

133005194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327637.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 133005194 is about 11532.7877809314. The cubic root of 133005194 is about 510.4535168782.

The spelling of 133005194 in words is "one hundred thirty-three million, five thousand, one hundred ninety-four".