133630774 has 4 divisors (see below), whose sum is σ = 200446164. Its totient is φ = 66815386.

The previous prime is 133630751. The next prime is 133630837. The reversal of 133630774 is 477036331.

133630774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477036331 = 151 ⋅3159181.

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 as a sum of consecutive naturals, namely, 33407692 + ... + 33407695.

It is an arithmetic number, because the mean of its divisors is an integer number (50111541).

Almost surely, 2^133630774 is an apocalyptic number.

133630774 is a deficient number, since it is larger than the sum of its proper divisors (66815390).

133630774 is an equidigital number, since it uses as much as digits as its factorization.

133630774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66815389.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 133630774 is about 11559.8777675199. The cubic root of 133630774 is about 511.2525587755.

The spelling of 133630774 in words is "one hundred thirty-three million, six hundred thirty thousand, seven hundred seventy-four".