134212243 has 8 divisors (see below), whose sum is σ = 146614896. Its totient is φ = 121843200.

The previous prime is 134212241. The next prime is 134212277. The reversal of 134212243 is 342212431.

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

It is a cyclic number.

It is not a de Polignac number, because 134212243 - 2¹ = 134212241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134212241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (18326862).

Almost surely, 2^134212243 is an apocalyptic number.

134212243 is a deficient number, since it is larger than the sum of its proper divisors (12402653).

134212243 is a wasteful number, since it uses less digits than its factorization.

134212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805.

The product of its digits is 1152, while the sum is 22.

The square root of 134212243 is about 11585.0007768666. Note that the first 3 decimals coincide. The cubic root of 134212243 is about 511.9930253668.

Adding to 134212243 its reverse (342212431), we get a palindrome (476424674).

The spelling of 134212243 in words is "one hundred thirty-four million, two hundred twelve thousand, two hundred forty-three".