140694966722 has 6 divisors (see below), whose sum is σ = 211043245779. Its totient is φ = 70347218130.

The previous prime is 140694966707. The next prime is 140694966761. The reversal of 140694966722 is 227669496041.

It can be written as a sum of positive squares in only one way, i.e., 70347483361 + 70347483361 = 265231^2 + 265231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=265231.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 397847 + ... + 663077.

Almost surely, 2^140694966722 is an apocalyptic number.

140694966722 is a deficient number, since it is larger than the sum of its proper divisors (70348279057).

140694966722 is an frugal number, since it uses more digits than its factorization.

140694966722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530464 (or 265233 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 140694966722 in words is "one hundred forty billion, six hundred ninety-four million, nine hundred sixty-six thousand, seven hundred twenty-two".