140343571 has 2 divisors, whose sum is σ = 140343572. Its totient is φ = 140343570.

The previous prime is 140343569. The next prime is 140343587. The reversal of 140343571 is 175343041.

140343571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140343571 - 2¹ = 140343569 is a prime.

Together with 140343569, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140343971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70171785 + 70171786.

It is an arithmetic number, because the mean of its divisors is an integer number (70171786).

Almost surely, 2^140343571 is an apocalyptic number.

140343571 is a deficient number, since it is larger than the sum of its proper divisors (1).

140343571 is an equidigital number, since it uses as much as digits as its factorization.

140343571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 140343571 is about 11846.6691943348. The cubic root of 140343571 is about 519.6738228105.

The spelling of 140343571 in words is "one hundred forty million, three hundred forty-three thousand, five hundred seventy-one".