168242134 has 8 divisors (see below), whose sum is σ = 252418248. Its totient is φ = 84102720.

The previous prime is 168242117. The next prime is 168242161. The reversal of 168242134 is 431242861.

168242134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 168242096 and 168242105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13254 + ... + 22630.

It is an arithmetic number, because the mean of its divisors is an integer number (31552281).

Almost surely, 2^168242134 is an apocalyptic number.

168242134 is a deficient number, since it is larger than the sum of its proper divisors (84176114).

168242134 is an equidigital number, since it uses as much as digits as its factorization.

168242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350.

The product of its digits is 9216, while the sum is 31.

The square root of 168242134 is about 12970.8185555114. The cubic root of 168242134 is about 552.0497990324.

Adding to 168242134 its reverse (431242861), we get a palindrome (599484995).

The spelling of 168242134 in words is "one hundred sixty-eight million, two hundred forty-two thousand, one hundred thirty-four".