134557242 has 8 divisors (see below), whose sum is σ = 269114496. Its totient is φ = 44852412.

The previous prime is 134557207. The next prime is 134557249. The reversal of 134557242 is 242755431.

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

134557242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (134557249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11213098 + ... + 11213109.

It is an arithmetic number, because the mean of its divisors is an integer number (33639312).

Almost surely, 2^134557242 is an apocalyptic number.

134557242 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.

134557242 is a wasteful number, since it uses less digits than its factorization.

134557242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426212.

The product of its digits is 33600, while the sum is 33.

The square root of 134557242 is about 11599.8811200805. The cubic root of 134557242 is about 512.4313508683.

The spelling of 134557242 in words is "one hundred thirty-four million, five hundred fifty-seven thousand, two hundred forty-two".