133011441 has 6 divisors (see below), whose sum is σ = 192127650. Its totient is φ = 88674288.

The previous prime is 133011413. The next prime is 133011449. The reversal of 133011441 is 144110331.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 646416 = 11505^2 + 804^2 .

It is not a de Polignac number, because 133011441 - 2⁶ = 133011377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133011449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7389516 + ... + 7389533.

It is an arithmetic number, because the mean of its divisors is an integer number (32021275).

Almost surely, 2^133011441 is an apocalyptic number.

It is an amenable number.

133011441 is a deficient number, since it is larger than the sum of its proper divisors (59116209).

133011441 is a wasteful number, since it uses less digits than its factorization.

133011441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779055 (or 14779052 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 133011441 is about 11533.0586142619. The cubic root of 133011441 is about 510.4615084288.

Adding to 133011441 its reverse (144110331), we get a palindrome (277121772).

The spelling of 133011441 in words is "one hundred thirty-three million, eleven thousand, four hundred forty-one".