133040044 has 24 divisors (see below), whose sum is σ = 237419280. Its totient is φ = 65212416.

The previous prime is 133040021. The next prime is 133040051. The reversal of 133040044 is 440040331.

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, 135684 + ... + 136660.

It is an arithmetic number, because the mean of its divisors is an integer number (9892470).

Almost surely, 2^133040044 is an apocalyptic number.

It is an amenable number.

133040044 is a deficient number, since it is larger than the sum of its proper divisors (104379236).

133040044 is a wasteful number, since it uses less digits than its factorization.

133040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 133040044 is about 11534.2985915919. The cubic root of 133040044 is about 510.4980959683.

Adding to 133040044 its reverse (440040331), we get a palindrome (573080375).

The spelling of 133040044 in words is "one hundred thirty-three million, forty thousand, forty-four".