133332194 has 4 divisors (see below), whose sum is σ = 199998294. Its totient is φ = 66666096.

The previous prime is 133332191. The next prime is 133332197. The reversal of 133332194 is 491233331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491233331 = 47 ⋅10451773.

It is an interprime number because it is at equal distance from previous prime (133332191) and next prime (133332197).

It can be written as a sum of positive squares in only one way, i.e., 126855169 + 6477025 = 11263^2 + 2545^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133332191) 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 as a sum of consecutive naturals, namely, 33333047 + ... + 33333050.

Almost surely, 2^133332194 is an apocalyptic number.

133332194 is a deficient number, since it is larger than the sum of its proper divisors (66666100).

133332194 is an equidigital number, since it uses as much as digits as its factorization.

133332194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66666099.

The product of its digits is 5832, while the sum is 29.

The square root of 133332194 is about 11546.9560491066. The cubic root of 133332194 is about 510.8714997884.

The spelling of 133332194 in words is "one hundred thirty-three million, three hundred thirty-two thousand, one hundred ninety-four".