68131334 has 4 divisors (see below), whose sum is σ = 102197004. Its totient is φ = 34065666.

The previous prime is 68131331. The next prime is 68131337. The reversal of 68131334 is 43313186.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (68131331) and next prime (68131337).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68131297 and 68131306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68131331) 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 as a sum of consecutive naturals, namely, 17032832 + ... + 17032835.

It is an arithmetic number, because the mean of its divisors is an integer number (25549251).

Almost surely, 2^68131334 is an apocalyptic number.

68131334 is a deficient number, since it is larger than the sum of its proper divisors (34065670).

68131334 is a wasteful number, since it uses less digits than its factorization.

68131334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065669.

The product of its digits is 5184, while the sum is 29.

The square root of 68131334 is about 8254.1707033475. The cubic root of 68131334 is about 408.4281157548.

The spelling of 68131334 in words is "sixty-eight million, one hundred thirty-one thousand, three hundred thirty-four".