340140810743 has 2 divisors, whose sum is σ = 340140810744. Its totient is φ = 340140810742.

The previous prime is 340140810739. The next prime is 340140810749. The reversal of 340140810743 is 347018041043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340140810743 - 2² = 340140810739 is a prime.

It is a super-2 number, since 2×340140810743² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340140810749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170070405371 + 170070405372.

It is an arithmetic number, because the mean of its divisors is an integer number (170070405372).

Almost surely, 2^340140810743 is an apocalyptic number.

340140810743 is a deficient number, since it is larger than the sum of its proper divisors (1).

340140810743 is an equidigital number, since it uses as much as digits as its factorization.

340140810743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 340140810743 its reverse (347018041043), we get a palindrome (687158851786).

The spelling of 340140810743 in words is "three hundred forty billion, one hundred forty million, eight hundred ten thousand, seven hundred forty-three".