133064198 has 4 divisors (see below), whose sum is σ = 199596300. Its totient is φ = 66532098.

The previous prime is 133064179. The next prime is 133064213. The reversal of 133064198 is 891460331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891460331 = 17 ⋅52438843.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33266048 + ... + 33266051.

It is an arithmetic number, because the mean of its divisors is an integer number (49899075).

Almost surely, 2^133064198 is an apocalyptic number.

133064198 is a deficient number, since it is larger than the sum of its proper divisors (66532102).

133064198 is an equidigital number, since it uses as much as digits as its factorization.

133064198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66532101.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 133064198 is about 11535.3455951697. The cubic root of 133064198 is about 510.5289884838.

The spelling of 133064198 in words is "one hundred thirty-three million, sixty-four thousand, one hundred ninety-eight".