140709743 has 2 divisors, whose sum is σ = 140709744. Its totient is φ = 140709742.

The previous prime is 140709739. The next prime is 140709797. The reversal of 140709743 is 347907041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140709743 - 2² = 140709739 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140709703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70354871 + 70354872.

It is an arithmetic number, because the mean of its divisors is an integer number (70354872).

Almost surely, 2^140709743 is an apocalyptic number.

140709743 is a deficient number, since it is larger than the sum of its proper divisors (1).

140709743 is an equidigital number, since it uses as much as digits as its factorization.

140709743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 140709743 is about 11862.1137661043. The cubic root of 140709743 is about 520.1253925908.

The spelling of 140709743 in words is "one hundred forty million, seven hundred nine thousand, seven hundred forty-three".