133434143 has 8 divisors (see below), whose sum is σ = 134847312. Its totient is φ = 132028416.

The previous prime is 133434121. The next prime is 133434149. The reversal of 133434143 is 341434331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133434143 - 2¹² = 133430047 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 (133434149) 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, 38696 + ... + 42002.

It is an arithmetic number, because the mean of its divisors is an integer number (16855914).

Almost surely, 2^133434143 is an apocalyptic number.

133434143 is a deficient number, since it is larger than the sum of its proper divisors (1413169).

133434143 is a wasteful number, since it uses less digits than its factorization.

133434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its digits is 5184, while the sum is 26.

The square root of 133434143 is about 11551.3697456189. The cubic root of 133434143 is about 511.0016748247.

Adding to 133434143 its reverse (341434331), we get a palindrome (474868474).

The spelling of 133434143 in words is "one hundred thirty-three million, four hundred thirty-four thousand, one hundred forty-three".