140223410121281 has 2 divisors, whose sum is σ = 140223410121282. Its totient is φ = 140223410121280.

The previous prime is 140223410121269. The next prime is 140223410121397. The reversal of 140223410121281 is 182121014322041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123630293015056 + 16593117106225 = 11118916^2 + 4073465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140223410121281 is a prime.

It is a super-2 number, since 2×140223410121281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140223410123281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111705060640 + 70111705060641.

It is an arithmetic number, because the mean of its divisors is an integer number (70111705060641).

Almost surely, 2^{140223410121281} is an apocalyptic number.

It is an amenable number.

140223410121281 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223410121281 is an equidigital number, since it uses as much as digits as its factorization.

140223410121281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 140223410121281 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred ten million, one hundred twenty-one thousand, two hundred eighty-one".