133141143 has 4 divisors (see below), whose sum is σ = 177521528. Its totient is φ = 88760760.

The previous prime is 133141139. The next prime is 133141153. The reversal of 133141143 is 341141331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341141331 = 3 ⋅113713777.

It is not a de Polignac number, because 133141143 - 2² = 133141139 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 (133141103) 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, 22190188 + ... + 22190193.

It is an arithmetic number, because the mean of its divisors is an integer number (44380382).

Almost surely, 2^133141143 is an apocalyptic number.

133141143 is a deficient number, since it is larger than the sum of its proper divisors (44380385).

133141143 is an equidigital number, since it uses as much as digits as its factorization.

133141143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44380384.

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

The square root of 133141143 is about 11538.6802971570. The cubic root of 133141143 is about 510.6273747871.

Adding to 133141143 its reverse (341141331), we get a palindrome (474282474).

The spelling of 133141143 in words is "one hundred thirty-three million, one hundred forty-one thousand, one hundred forty-three".