133641141 has 4 divisors (see below), whose sum is σ = 178188192. Its totient is φ = 89094092.

The previous prime is 133641121. The next prime is 133641187. The reversal of 133641141 is 141146331.

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 133641141 - 2²¹ = 131543989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133641121) 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 3 ways as a sum of consecutive naturals, for example, 22273521 + ... + 22273526.

It is an arithmetic number, because the mean of its divisors is an integer number (44547048).

Almost surely, 2^133641141 is an apocalyptic number.

It is an amenable number.

133641141 is a deficient number, since it is larger than the sum of its proper divisors (44547051).

133641141 is an equidigital number, since it uses as much as digits as its factorization.

133641141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44547050.

The product of its digits is 864, while the sum is 24.

The square root of 133641141 is about 11560.3261632188. The cubic root of 133641141 is about 511.2657793286.

Adding to 133641141 its reverse (141146331), we get a palindrome (274787472).

The spelling of 133641141 in words is "one hundred thirty-three million, six hundred forty-one thousand, one hundred forty-one".