140838266340161 has 12 divisors (see below), whose sum is σ = 152770994835732. Its totient is φ = 129069268756704.

The previous prime is 140838266340151. The next prime is 140838266340169. The reversal of 140838266340161 is 161043662838041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7495242209536 + 133343024130625 = 2737744^2 + 11547425^2 .

It is not a de Polignac number, because 140838266340161 - 2⁶ = 140838266340097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140838266340169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280109906 + ... + 280612251.

It is an arithmetic number, because the mean of its divisors is an integer number (12730916236311).

Almost surely, 2^{140838266340161} is an apocalyptic number.

It is an amenable number.

140838266340161 is a deficient number, since it is larger than the sum of its proper divisors (11932728495571).

140838266340161 is an equidigital number, since it uses as much as digits as its factorization.

140838266340161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560722448 (or 560722309 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 140838266340161 in words is "one hundred forty trillion, eight hundred thirty-eight billion, two hundred sixty-six million, three hundred forty thousand, one hundred sixty-one".