140222921234917 has 2 divisors, whose sum is σ = 140222921234918. Its totient is φ = 140222921234916.

The previous prime is 140222921234771. The next prime is 140222921234959. The reversal of 140222921234917 is 719432129222041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102747942969156 + 37474978265761 = 10136466^2 + 6121681^2 .

It is a cyclic number.

It is not a de Polignac number, because 140222921234917 - 2¹⁹ = 140222920710629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140222921234717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111460617458 + 70111460617459.

It is an arithmetic number, because the mean of its divisors is an integer number (70111460617459).

Almost surely, 2^{140222921234917} is an apocalyptic number.

It is an amenable number.

140222921234917 is a deficient number, since it is larger than the sum of its proper divisors (1).

140222921234917 is an equidigital number, since it uses as much as digits as its factorization.

140222921234917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 140222921234917 in words is "one hundred forty trillion, two hundred twenty-two billion, nine hundred twenty-one million, two hundred thirty-four thousand, nine hundred seventeen".