140847943 has 2 divisors, whose sum is σ = 140847944. Its totient is φ = 140847942.

The previous prime is 140847923. The next prime is 140847979. The reversal of 140847943 is 349748041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140847943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140847896 and 140847905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140847923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70423971 + 70423972.

It is an arithmetic number, because the mean of its divisors is an integer number (70423972).

Almost surely, 2^140847943 is an apocalyptic number.

140847943 is a deficient number, since it is larger than the sum of its proper divisors (1).

140847943 is an equidigital number, since it uses as much as digits as its factorization.

140847943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 140847943 is about 11867.9376051612. The cubic root of 140847943 is about 520.2956196305.

The spelling of 140847943 in words is "one hundred forty million, eight hundred forty-seven thousand, nine hundred forty-three".