133041133 has 4 divisors (see below), whose sum is σ = 140867100. Its totient is φ = 125215168.

The previous prime is 133041127. The next prime is 133041137. The reversal of 133041133 is 331140331.

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 122367844 + 10673289 = 11062^2 + 3267^2 .

It is a cyclic number.

It is not a de Polignac number, because 133041133 - 2¹³ = 133032941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133041133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133041137) 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, 3912958 + ... + 3912991.

It is an arithmetic number, because the mean of its divisors is an integer number (35216775).

Almost surely, 2^133041133 is an apocalyptic number.

It is an amenable number.

133041133 is a deficient number, since it is larger than the sum of its proper divisors (7825967).

133041133 is an equidigital number, since it uses as much as digits as its factorization.

133041133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825966.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133041133 is about 11534.3457985271. The cubic root of 133041133 is about 510.4994888594.

Adding to 133041133 its reverse (331140331), we get a palindrome (464181464).

The spelling of 133041133 in words is "one hundred thirty-three million, forty-one thousand, one hundred thirty-three".