268140701 has 2 divisors, whose sum is σ = 268140702. Its totient is φ = 268140700.

The previous prime is 268140683. The next prime is 268140703. The reversal of 268140701 is 107041862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170328601 + 97812100 = 13051^2 + 9890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268140701 is a prime.

Together with 268140703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268140703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134070350 + 134070351.

It is an arithmetic number, because the mean of its divisors is an integer number (134070351).

Almost surely, 2^268140701 is an apocalyptic number.

It is an amenable number.

268140701 is a deficient number, since it is larger than the sum of its proper divisors (1).

268140701 is an equidigital number, since it uses as much as digits as its factorization.

268140701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 268140701 is about 16375.0023206105. The cubic root of 268140701 is about 644.8433816394.

The spelling of 268140701 in words is "two hundred sixty-eight million, one hundred forty thousand, seven hundred one".