133220435044 has 24 divisors (see below), whose sum is σ = 245022281280. Its totient is φ = 63255740064.

The previous prime is 133220434969. The next prime is 133220435167. The reversal of 133220435044 is 440534022331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133220434997 and 133220435015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5196019 + ... + 5221594.

It is an arithmetic number, because the mean of its divisors is an integer number (10209261720).

Almost surely, 2^133220435044 is an apocalyptic number.

It is an amenable number.

133220435044 is a deficient number, since it is larger than the sum of its proper divisors (111801846236).

133220435044 is a wasteful number, since it uses less digits than its factorization.

133220435044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417779 (or 10417777 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 133220435044 its reverse (440534022331), we get a palindrome (573754457375).

The spelling of 133220435044 in words is "one hundred thirty-three billion, two hundred twenty million, four hundred thirty-five thousand, forty-four".