140879510693 has 2 divisors, whose sum is σ = 140879510694. Its totient is φ = 140879510692.

The previous prime is 140879510689. The next prime is 140879510699. The reversal of 140879510693 is 396015978041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79849760929 + 61029749764 = 282577^2 + 247042^2 .

It is a cyclic number.

It is not a de Polignac number, because 140879510693 - 2² = 140879510689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140879510699) 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, 70439755346 + 70439755347.

It is an arithmetic number, because the mean of its divisors is an integer number (70439755347).

Almost surely, 2^140879510693 is an apocalyptic number.

It is an amenable number.

140879510693 is a deficient number, since it is larger than the sum of its proper divisors (1).

140879510693 is an equidigital number, since it uses as much as digits as its factorization.

140879510693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 140879510693 in words is "one hundred forty billion, eight hundred seventy-nine million, five hundred ten thousand, six hundred ninety-three".