133143141 has 8 divisors (see below), whose sum is σ = 177640960. Its totient is φ = 88703712.

The previous prime is 133143121. The next prime is 133143163. The reversal of 133143141 is 141341331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133143141 - 2⁶ = 133143077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8965 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (22205120).

Almost surely, 2^133143141 is an apocalyptic number.

It is an amenable number.

133143141 is a deficient number, since it is larger than the sum of its proper divisors (44497819).

133143141 is a wasteful number, since it uses less digits than its factorization.

133143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195.

The product of its digits is 432, while the sum is 21.

The square root of 133143141 is about 11538.7668751908. The cubic root of 133143141 is about 510.6299290399.

Adding to 133143141 its reverse (141341331), we get a palindrome (274484472).

The spelling of 133143141 in words is "one hundred thirty-three million, one hundred forty-three thousand, one hundred forty-one".