68140363 has 2 divisors, whose sum is σ = 68140364. Its totient is φ = 68140362.

The previous prime is 68140361. The next prime is 68140367. The reversal of 68140363 is 36304186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68140363 - 2¹ = 68140361 is a prime.

Together with 68140361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68140361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34070181 + 34070182.

It is an arithmetic number, because the mean of its divisors is an integer number (34070182).

Almost surely, 2^68140363 is an apocalyptic number.

68140363 is a deficient number, since it is larger than the sum of its proper divisors (1).

68140363 is an equidigital number, since it uses as much as digits as its factorization.

68140363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 68140363 is about 8254.7176208517. The cubic root of 68140363 is about 408.4461570600.

The spelling of 68140363 in words is "sixty-eight million, one hundred forty thousand, three hundred sixty-three".