134294143 has 4 divisors (see below), whose sum is σ = 134346600. Its totient is φ = 134241688.

The previous prime is 134294119. The next prime is 134294159. The reversal of 134294143 is 341492431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134294143 - 2²¹ = 132196991 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 (134294183) 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, 22180 + ... + 27577.

It is an arithmetic number, because the mean of its divisors is an integer number (33586650).

Almost surely, 2^134294143 is an apocalyptic number.

134294143 is a deficient number, since it is larger than the sum of its proper divisors (52457).

134294143 is an equidigital number, since it uses as much as digits as its factorization.

134294143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52456.

The product of its digits is 10368, while the sum is 31.

The square root of 134294143 is about 11588.5349807471. The cubic root of 134294143 is about 512.0971482628.

The spelling of 134294143 in words is "one hundred thirty-four million, two hundred ninety-four thousand, one hundred forty-three".