140334140656439 has 2 divisors, whose sum is σ = 140334140656440. Its totient is φ = 140334140656438.

The previous prime is 140334140656433. The next prime is 140334140656499. The reversal of 140334140656439 is 934656041433041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140334140656439 - 2²⁰ = 140334139607863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140334140656433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167070328219 + 70167070328220.

It is an arithmetic number, because the mean of its divisors is an integer number (70167070328220).

Almost surely, 2^{140334140656439} is an apocalyptic number.

140334140656439 is a deficient number, since it is larger than the sum of its proper divisors (1).

140334140656439 is an equidigital number, since it uses as much as digits as its factorization.

140334140656439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 140334140656439 in words is "one hundred forty trillion, three hundred thirty-four billion, one hundred forty million, six hundred fifty-six thousand, four hundred thirty-nine".