140243312402273 has 2 divisors, whose sum is σ = 140243312402274. Its totient is φ = 140243312402272.

The previous prime is 140243312402233. The next prime is 140243312402353. The reversal of 140243312402273 is 372204213342041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139713061920784 + 530250481489 = 11820028^2 + 728183^2 .

It is a cyclic number.

It is not a de Polignac number, because 140243312402273 - 2¹⁰ = 140243312401249 is a prime.

It is not a weakly prime, because it can be changed into another prime (140243312402233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70121656201136 + 70121656201137.

It is an arithmetic number, because the mean of its divisors is an integer number (70121656201137).

Almost surely, 2^{140243312402273} is an apocalyptic number.

It is an amenable number.

140243312402273 is a deficient number, since it is larger than the sum of its proper divisors (1).

140243312402273 is an equidigital number, since it uses as much as digits as its factorization.

140243312402273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 140243312402273 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred twelve million, four hundred two thousand, two hundred seventy-three".