140223421069 has 2 divisors, whose sum is σ = 140223421070. Its totient is φ = 140223421068.

The previous prime is 140223420983. The next prime is 140223421087. The reversal of 140223421069 is 960124322041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78688665225 + 61534755844 = 280515^2 + 248062^2 .

It is a cyclic number.

It is not a de Polignac number, because 140223421069 - 2¹⁵ = 140223388301 is a prime.

It is a super-2 number, since 2×140223421069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140223421369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70111710534 + 70111710535.

It is an arithmetic number, because the mean of its divisors is an integer number (70111710535).

Almost surely, 2^140223421069 is an apocalyptic number.

It is an amenable number.

140223421069 is a deficient number, since it is larger than the sum of its proper divisors (1).

140223421069 is an equidigital number, since it uses as much as digits as its factorization.

140223421069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 140223421069 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, sixty-nine".