68042134 has 8 divisors (see below), whose sum is σ = 102153168. Its totient is φ = 33991080.

The previous prime is 68042123. The next prime is 68042141. The reversal of 68042134 is 43124086.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12042 + ... + 16765.

It is an arithmetic number, because the mean of its divisors is an integer number (12769146).

Almost surely, 2^68042134 is an apocalyptic number.

68042134 is a deficient number, since it is larger than the sum of its proper divisors (34111034).

68042134 is a wasteful number, since it uses less digits than its factorization.

68042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29990.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68042134 is about 8248.7656046223. The cubic root of 68042134 is about 408.2497949704.

The spelling of 68042134 in words is "sixty-eight million, forty-two thousand, one hundred thirty-four".