140650188797 has 2 divisors, whose sum is σ = 140650188798. Its totient is φ = 140650188796.

The previous prime is 140650188781. The next prime is 140650188817. The reversal of 140650188797 is 797881056041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133141792996 + 7508395801 = 364886^2 + 86651^2 .

It is a cyclic number.

It is not a de Polignac number, because 140650188797 - 2⁴ = 140650188781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140650188737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70325094398 + 70325094399.

It is an arithmetic number, because the mean of its divisors is an integer number (70325094399).

Almost surely, 2^140650188797 is an apocalyptic number.

It is an amenable number.

140650188797 is a deficient number, since it is larger than the sum of its proper divisors (1).

140650188797 is an equidigital number, since it uses as much as digits as its factorization.

140650188797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 140650188797 in words is "one hundred forty billion, six hundred fifty million, one hundred eighty-eight thousand, seven hundred ninety-seven".