243134134 has 8 divisors (see below), whose sum is σ = 367573248. Its totient is φ = 120609720.

The previous prime is 243134123. The next prime is 243134137. The reversal of 243134134 is 431431342.

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

It is a super-2 number, since 2×243134134² = 118228414231859912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243134099 and 243134108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243134137) 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, 478357 + ... + 478864.

It is an arithmetic number, because the mean of its divisors is an integer number (45946656).

Almost surely, 2^243134134 is an apocalyptic number.

243134134 is a deficient number, since it is larger than the sum of its proper divisors (124439114).

243134134 is a wasteful number, since it uses less digits than its factorization.

243134134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957350.

The product of its digits is 3456, while the sum is 25.

The square root of 243134134 is about 15592.7590246242. The cubic root of 243134134 is about 624.1399447107.

Adding to 243134134 its reverse (431431342), we get a palindrome (674565476).

The spelling of 243134134 in words is "two hundred forty-three million, one hundred thirty-four thousand, one hundred thirty-four".