133230044 has 24 divisors (see below), whose sum is σ = 240006480. Its totient is φ = 64665216.

The previous prime is 133230017. The next prime is 133230049. The reversal of 133230044 is 440032331.

It is a junction number, because it is equal to n+sod(n) for n = 133229998 and 133230025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90587 + ... + 92045.

It is an arithmetic number, because the mean of its divisors is an integer number (10000270).

Almost surely, 2^133230044 is an apocalyptic number.

It is an amenable number.

133230044 is a deficient number, since it is larger than the sum of its proper divisors (106776436).

133230044 is a wasteful number, since it uses less digits than its factorization.

133230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133230044 is about 11542.5319579371. The cubic root of 133230044 is about 510.7410015324.

Adding to 133230044 its reverse (440032331), we get a palindrome (573262375).

The spelling of 133230044 in words is "one hundred thirty-three million, two hundred thirty thousand, forty-four".