68131346 has 8 divisors (see below), whose sum is σ = 102257100. Its totient is φ = 34045648.

The previous prime is 68131339. The next prime is 68131361. The reversal of 68131346 is 64313186.

It can be written as a sum of positive squares in 2 ways, for example, as 67980025 + 151321 = 8245^2 + 389^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5321 + ... + 12828.

Almost surely, 2^68131346 is an apocalyptic number.

68131346 is a deficient number, since it is larger than the sum of its proper divisors (34125754).

68131346 is a wasteful number, since it uses less digits than its factorization.

68131346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028.

The product of its digits is 10368, while the sum is 32.

The square root of 68131346 is about 8254.1714302527. The cubic root of 68131346 is about 408.4281397337.

The spelling of 68131346 in words is "sixty-eight million, one hundred thirty-one thousand, three hundred forty-six".