140243101069 has 2 divisors, whose sum is σ = 140243101070. Its totient is φ = 140243101068.

The previous prime is 140243101051. The next prime is 140243101129. The reversal of 140243101069 is 960101342041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112499868100 + 27743232969 = 335410^2 + 166563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140243101069 is a prime.

It is a super-2 number, since 2×140243101069² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140243101069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140243101039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70121550534 + 70121550535.

It is an arithmetic number, because the mean of its divisors is an integer number (70121550535).

Almost surely, 2^140243101069 is an apocalyptic number.

It is an amenable number.

140243101069 is a deficient number, since it is larger than the sum of its proper divisors (1).

140243101069 is an equidigital number, since it uses as much as digits as its factorization.

140243101069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 140243101069 in words is "one hundred forty billion, two hundred forty-three million, one hundred one thousand, sixty-nine".