68135366 has 8 divisors (see below), whose sum is σ = 110064864. Its totient is φ = 31447080.

The previous prime is 68135359. The next prime is 68135377. The reversal of 68135366 is 66353186.

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

It is a Curzon number.

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, 1310270 + ... + 1310321.

It is an arithmetic number, because the mean of its divisors is an integer number (13758108).

Almost surely, 2^68135366 is an apocalyptic number.

68135366 is a deficient number, since it is larger than the sum of its proper divisors (41929498).

68135366 is a wasteful number, since it uses less digits than its factorization.

68135366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620606.

The product of its digits is 77760, while the sum is 38.

The square root of 68135366 is about 8254.4149398973. The cubic root of 68135366 is about 408.4361724965.

The spelling of 68135366 in words is "sixty-eight million, one hundred thirty-five thousand, three hundred sixty-six".