140834347 has 2 divisors, whose sum is σ = 140834348. Its totient is φ = 140834346.

The previous prime is 140834339. The next prime is 140834371. The reversal of 140834347 is 743438041.

140834347 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 an emirp because it is prime and its reverse (743438041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140834347 - 2³ = 140834339 is a prime.

It is not a weakly prime, because it can be changed into another prime (140834387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70417173 + 70417174.

It is an arithmetic number, because the mean of its divisors is an integer number (70417174).

Almost surely, 2^140834347 is an apocalyptic number.

140834347 is a deficient number, since it is larger than the sum of its proper divisors (1).

140834347 is an equidigital number, since it uses as much as digits as its factorization.

140834347 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 34.

The square root of 140834347 is about 11867.3647875171. The cubic root of 140834347 is about 520.2788777770.

The spelling of 140834347 in words is "one hundred forty million, eight hundred thirty-four thousand, three hundred forty-seven".