134643142 has 8 divisors (see below), whose sum is σ = 202014000. Its totient is φ = 67305144.

The previous prime is 134643083. The next prime is 134643151. The reversal of 134643142 is 241346431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 134643142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11359 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (25251750).

Almost surely, 2^134643142 is an apocalyptic number.

134643142 is a deficient number, since it is larger than the sum of its proper divisors (67370858).

134643142 is an equidigital number, since it uses as much as digits as its factorization.

134643142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430.

The product of its digits is 6912, while the sum is 28.

The square root of 134643142 is about 11603.5831534919. The cubic root of 134643142 is about 512.5403713587.

Adding to 134643142 its reverse (241346431), we get a palindrome (375989573).

The spelling of 134643142 in words is "one hundred thirty-four million, six hundred forty-three thousand, one hundred forty-two".