133120444 has 12 divisors (see below), whose sum is σ = 233473744. Its totient is φ = 66413664.

The previous prime is 133120433. The next prime is 133120499. The reversal of 133120444 is 444021331.

It is a super-2 number, since 2×133120444² = 35442105221514272, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 34584 + ... + 38239.

Almost surely, 2^133120444 is an apocalyptic number.

It is an amenable number.

133120444 is a deficient number, since it is larger than the sum of its proper divisors (100353300).

133120444 is a wasteful number, since it uses less digits than its factorization.

133120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73284 (or 73282 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 133120444 is about 11537.7833226318. The cubic root of 133120444 is about 510.6009115828.

Adding to 133120444 its reverse (444021331), we get a palindrome (577141775).

The spelling of 133120444 in words is "one hundred thirty-three million, one hundred twenty thousand, four hundred forty-four".