133044041 has 4 divisors (see below), whose sum is σ = 143278212. Its totient is φ = 122809872.

The previous prime is 133044031. The next prime is 133044047. The reversal of 133044041 is 140440331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 124657225 = 2896^2 + 11165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133044041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133044047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117066 + ... + 5117091.

It is an arithmetic number, because the mean of its divisors is an integer number (35819553).

Almost surely, 2^133044041 is an apocalyptic number.

It is an amenable number.

133044041 is a deficient number, since it is larger than the sum of its proper divisors (10234171).

133044041 is a wasteful number, since it uses less digits than its factorization.

133044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234170.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 133044041 is about 11534.4718561363. The cubic root of 133044041 is about 510.5032083149.

Adding to 133044041 its reverse (140440331), we get a palindrome (273484372).

The spelling of 133044041 in words is "one hundred thirty-three million, forty-four thousand, forty-one".