140022243461 has 2 divisors, whose sum is σ = 140022243462. Its totient is φ = 140022243460.

The previous prime is 140022243437. The next prime is 140022243481. The reversal of 140022243461 is 164342220041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139516443361 + 505800100 = 373519^2 + 22490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140022243461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140022243481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70011121730 + 70011121731.

It is an arithmetic number, because the mean of its divisors is an integer number (70011121731).

Almost surely, 2^140022243461 is an apocalyptic number.

It is an amenable number.

140022243461 is a deficient number, since it is larger than the sum of its proper divisors (1).

140022243461 is an equidigital number, since it uses as much as digits as its factorization.

140022243461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 140022243461 in words is "one hundred forty billion, twenty-two million, two hundred forty-three thousand, four hundred sixty-one".