133340044 has 24 divisors (see below), whose sum is σ = 247998240. Its totient is φ = 62512896.

The previous prime is 133340023. The next prime is 133340047. The reversal of 133340044 is 440043331.

It is a junction number, because it is equal to n+sod(n) for n = 133339997 and 133340024.

It is not an unprimeable number, because it can be changed into a prime (133340047) 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, 15297 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (10333260).

Almost surely, 2^133340044 is an apocalyptic number.

It is an amenable number.

133340044 is a deficient number, since it is larger than the sum of its proper divisors (114658196).

133340044 is a wasteful number, since it uses less digits than its factorization.

133340044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 133340044 is about 11547.2959605269. The cubic root of 133340044 is about 510.8815255305.

Adding to 133340044 its reverse (440043331), we get a palindrome (573383375).

The spelling of 133340044 in words is "one hundred thirty-three million, three hundred forty thousand, forty-four".