140718343 has 2 divisors, whose sum is σ = 140718344. Its totient is φ = 140718342.

The previous prime is 140718341. The next prime is 140718349. The reversal of 140718343 is 343817041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140718343 - 2¹ = 140718341 is a prime.

Together with 140718341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140718341) 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, 70359171 + 70359172.

It is an arithmetic number, because the mean of its divisors is an integer number (70359172).

Almost surely, 2^140718343 is an apocalyptic number.

140718343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140718343 is an equidigital number, since it uses as much as digits as its factorization.

140718343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 140718343 is about 11862.4762591965. The cubic root of 140718343 is about 520.1359888418.

The spelling of 140718343 in words is "one hundred forty million, seven hundred eighteen thousand, three hundred forty-three".