68135342 has 12 divisors (see below), whose sum is σ = 112339248. Its totient is φ = 30970500.

The previous prime is 68135341. The next prime is 68135351. The reversal of 68135342 is 24353186.

It is a junction number, because it is equal to n+sod(n) for n = 68135299 and 68135308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68135341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140534 + ... + 141017.

It is an arithmetic number, because the mean of its divisors is an integer number (9361604).

Almost surely, 2^68135342 is an apocalyptic number.

68135342 is a deficient number, since it is larger than the sum of its proper divisors (44203906).

68135342 is a wasteful number, since it uses less digits than its factorization.

68135342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281575 (or 281564 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 68135342 is about 8254.4134861297. The cubic root of 68135342 is about 408.4361245406.

The spelling of 68135342 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred forty-two".