133205041 has 4 divisors (see below), whose sum is σ = 133266672. Its totient is φ = 133143412.

The previous prime is 133205027. The next prime is 133205053. The reversal of 133205041 is 140502331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133205041 - 2¹³ = 133196849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133205011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27451 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (33316668).

Almost surely, 2^133205041 is an apocalyptic number.

It is an amenable number.

133205041 is a deficient number, since it is larger than the sum of its proper divisors (61631).

133205041 is an equidigital number, since it uses as much as digits as its factorization.

133205041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61630.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 133205041 is about 11541.4488258624. The cubic root of 133205041 is about 510.7090496397.

Adding to 133205041 its reverse (140502331), we get a palindrome (273707372).

The spelling of 133205041 in words is "one hundred thirty-three million, two hundred five thousand, forty-one".