134243143 has 8 divisors (see below), whose sum is σ = 139572720. Its totient is φ = 129011520.

The previous prime is 134243129. The next prime is 134243173. The reversal of 134243143 is 341342431.

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 134243143 - 2¹⁷ = 134112071 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 (134243173) 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, 21688 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (17446590).

Almost surely, 2^134243143 is an apocalyptic number.

134243143 is a deficient number, since it is larger than the sum of its proper divisors (5329577).

134243143 is an equidigital number, since it uses as much as digits as its factorization.

134243143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48977.

The product of its digits is 3456, while the sum is 25.

The square root of 134243143 is about 11586.3343210871. The cubic root of 134243143 is about 512.0323148041.

Adding to 134243143 its reverse (341342431), we get a palindrome (475585574).

The spelling of 134243143 in words is "one hundred thirty-four million, two hundred forty-three thousand, one hundred forty-three".