140141172039689 has 2 divisors, whose sum is σ = 140141172039690. Its totient is φ = 140141172039688.

The previous prime is 140141172039667. The next prime is 140141172039691. The reversal of 140141172039689 is 986930271141041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139843230734089 + 297941305600 = 11825533^2 + 545840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140141172039689 is a prime.

Together with 140141172039691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140141172039389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70070586019844 + 70070586019845.

It is an arithmetic number, because the mean of its divisors is an integer number (70070586019845).

Almost surely, 2^{140141172039689} is an apocalyptic number.

It is an amenable number.

140141172039689 is a deficient number, since it is larger than the sum of its proper divisors (1).

140141172039689 is an equidigital number, since it uses as much as digits as its factorization.

140141172039689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 140141172039689 in words is "one hundred forty trillion, one hundred forty-one billion, one hundred seventy-two million, thirty-nine thousand, six hundred eighty-nine".