140331202069 has 2 divisors, whose sum is σ = 140331202070. Its totient is φ = 140331202068.

The previous prime is 140331202001. The next prime is 140331202093. The reversal of 140331202069 is 960202133041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100346400625 + 39984801444 = 316775^2 + 199962^2 .

It is an emirp because it is prime and its reverse (960202133041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140331202069 - 2²¹ = 140329104917 is a prime.

It is a super-2 number, since 2×140331202069² (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 140331202069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140331202469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70165601034 + 70165601035.

It is an arithmetic number, because the mean of its divisors is an integer number (70165601035).

Almost surely, 2^140331202069 is an apocalyptic number.

It is an amenable number.

140331202069 is a deficient number, since it is larger than the sum of its proper divisors (1).

140331202069 is an equidigital number, since it uses as much as digits as its factorization.

140331202069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 140331202069 in words is "one hundred forty billion, three hundred thirty-one million, two hundred two thousand, sixty-nine".