133740044 has 6 divisors (see below), whose sum is σ = 234045084. Its totient is φ = 66870020.

The previous prime is 133740043. The next prime is 133740067. The reversal of 133740044 is 440047331.

It is a junction number, because it is equal to n+sod(n) for n = 133739995 and 133740022.

It is not an unprimeable number, because it can be changed into a prime (133740043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16717502 + ... + 16717509.

It is an arithmetic number, because the mean of its divisors is an integer number (39007514).

Almost surely, 2^133740044 is an apocalyptic number.

It is an amenable number.

133740044 is a deficient number, since it is larger than the sum of its proper divisors (100305040).

133740044 is a wasteful number, since it uses less digits than its factorization.

133740044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33435015 (or 33435013 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 133740044 is about 11564.6030627947. The cubic root of 133740044 is about 511.3918713642.

Adding to 133740044 its reverse (440047331), we get a palindrome (573787375).

The spelling of 133740044 in words is "one hundred thirty-three million, seven hundred forty thousand, forty-four".