140995697069 has 2 divisors, whose sum is σ = 140995697070. Its totient is φ = 140995697068.

The previous prime is 140995697033. The next prime is 140995697071. The reversal of 140995697069 is 960796599041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121094952169 + 19900744900 = 347987^2 + 141070^2 .

It is an emirp because it is prime and its reverse (960796599041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140995697069 - 2³⁶ = 72276220333 is a prime.

It is a super-2 number, since 2×140995697069² (a number of 23 digits) contains 22 as substring.

Together with 140995697071, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140995696996 and 140995697014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140995697099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70497848534 + 70497848535.

It is an arithmetic number, because the mean of its divisors is an integer number (70497848535).

Almost surely, 2^140995697069 is an apocalyptic number.

It is an amenable number.

140995697069 is a deficient number, since it is larger than the sum of its proper divisors (1).

140995697069 is an equidigital number, since it uses as much as digits as its factorization.

140995697069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33067440, while the sum is 65.

The spelling of 140995697069 in words is "one hundred forty billion, nine hundred ninety-five million, six hundred ninety-seven thousand, sixty-nine".