140613641473 has 2 divisors, whose sum is σ = 140613641474. Its totient is φ = 140613641472.

The previous prime is 140613641471. The next prime is 140613641503. The reversal of 140613641473 is 374146316041.

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., 139410384129 + 1203257344 = 373377^2 + 34688^2 .

It is a cyclic number.

It is not a de Polignac number, because 140613641473 - 2¹ = 140613641471 is a prime.

Together with 140613641471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140613641471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70306820736 + 70306820737.

It is an arithmetic number, because the mean of its divisors is an integer number (70306820737).

Almost surely, 2^140613641473 is an apocalyptic number.

It is an amenable number.

140613641473 is a deficient number, since it is larger than the sum of its proper divisors (1).

140613641473 is an equidigital number, since it uses as much as digits as its factorization.

140613641473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 140613641473 in words is "one hundred forty billion, six hundred thirteen million, six hundred forty-one thousand, four hundred seventy-three".