134220343 has 4 divisors (see below), whose sum is σ = 134255008. Its totient is φ = 134185680.

The previous prime is 134220337. The next prime is 134220353. The reversal of 134220343 is 343022431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343022431 = 443 ⋅774317.

It is a cyclic number.

It is not a de Polignac number, because 134220343 - 2¹³ = 134212151 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 (134220353) 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, 10671 + ... + 19552.

It is an arithmetic number, because the mean of its divisors is an integer number (33563752).

Almost surely, 2^134220343 is an apocalyptic number.

134220343 is a deficient number, since it is larger than the sum of its proper divisors (34665).

134220343 is an equidigital number, since it uses as much as digits as its factorization.

134220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34664.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 134220343 is about 11585.3503615558. The cubic root of 134220343 is about 512.0033251229.

Adding to 134220343 its reverse (343022431), we get a palindrome (477242774).

The spelling of 134220343 in words is "one hundred thirty-four million, two hundred twenty thousand, three hundred forty-three".