134240343 has 4 divisors (see below), whose sum is σ = 178987128. Its totient is φ = 89493560.

The previous prime is 134240341. The next prime is 134240363. The reversal of 134240343 is 343042431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343042431 = 3 ⋅114347477.

It is a cyclic number.

It is not a de Polignac number, because 134240343 - 2¹ = 134240341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134240341) 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, 22373388 + ... + 22373393.

It is an arithmetic number, because the mean of its divisors is an integer number (44746782).

Almost surely, 2^134240343 is an apocalyptic number.

134240343 is a deficient number, since it is larger than the sum of its proper divisors (44746785).

134240343 is an equidigital number, since it uses as much as digits as its factorization.

134240343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44746784.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 134240343 is about 11586.2134884526. The cubic root of 134240343 is about 512.0287548446.

Adding to 134240343 its reverse (343042431), we get a palindrome (477282774).

The spelling of 134240343 in words is "one hundred thirty-four million, two hundred forty thousand, three hundred forty-three".