1000140343 has 2 divisors, whose sum is σ = 1000140344. Its totient is φ = 1000140342.

The previous prime is 1000140331. The next prime is 1000140353. The reversal of 1000140343 is 3430410001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000140343 - 2⁹ = 1000139831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000140353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500070171 + 500070172.

It is an arithmetic number, because the mean of its divisors is an integer number (500070172).

Almost surely, 2^1000140343 is an apocalyptic number.

1000140343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000140343 is an equidigital number, since it uses as much as digits as its factorization.

1000140343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1000140343 is about 31624.9955415017. The cubic root of 1000140343 is about 1000.0467788117.

Adding to 1000140343 its reverse (3430410001), we get a palindrome (4430550344).

The spelling of 1000140343 in words is "one billion, one hundred forty thousand, three hundred forty-three".