134212242 has 8 divisors (see below), whose sum is σ = 268424496. Its totient is φ = 44737412.

The previous prime is 134212241. The next prime is 134212277. The reversal of 134212242 is 242212431.

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

134212242 is an admirable number.

It is a nialpdrome in base 8.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11184348 + ... + 11184359.

It is an arithmetic number, because the mean of its divisors is an integer number (33553062).

Almost surely, 2^134212242 is an apocalyptic number.

134212242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134212242 is a wasteful number, since it uses less digits than its factorization.

134212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22368712.

The product of its digits is 768, while the sum is 21.

The square root of 134212242 is about 11585.0007337074. Note that the first 3 decimals coincide. The cubic root of 134212242 is about 511.9930240952.

Adding to 134212242 its reverse (242212431), we get a palindrome (376424673).

The spelling of 134212242 in words is "one hundred thirty-four million, two hundred twelve thousand, two hundred forty-two".