243126134 has 8 divisors (see below), whose sum is σ = 369305760. Its totient is φ = 120024216.

The previous prime is 243126127. The next prime is 243126139. The reversal of 243126134 is 431621342.

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

It is a super-2 number, since 2×243126134² = 118220634067571912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243126139) 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, 769229 + ... + 769544.

It is an arithmetic number, because the mean of its divisors is an integer number (46163220).

Almost surely, 2^243126134 is an apocalyptic number.

243126134 is a deficient number, since it is larger than the sum of its proper divisors (126179626).

243126134 is a wasteful number, since it uses less digits than its factorization.

243126134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538854.

The product of its digits is 3456, while the sum is 26.

The square root of 243126134 is about 15592.5024931856. The cubic root of 243126134 is about 624.1330991419.

Adding to 243126134 its reverse (431621342), we get a palindrome (674747476).

The spelling of 243126134 in words is "two hundred forty-three million, one hundred twenty-six thousand, one hundred thirty-four".