140710439 has 2 divisors, whose sum is σ = 140710440. Its totient is φ = 140710438.

The previous prime is 140710429. The next prime is 140710511. The reversal of 140710439 is 934017041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140710439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140710429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70355219 + 70355220.

It is an arithmetic number, because the mean of its divisors is an integer number (70355220).

Almost surely, 2^140710439 is an apocalyptic number.

140710439 is a deficient number, since it is larger than the sum of its proper divisors (1).

140710439 is an equidigital number, since it uses as much as digits as its factorization.

140710439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 140710439 is about 11862.1431031665. The cubic root of 140710439 is about 520.1262501639.

The spelling of 140710439 in words is "one hundred forty million, seven hundred ten thousand, four hundred thirty-nine".