140446661252 has 12 divisors (see below), whose sum is σ = 246314809356. Its totient is φ = 70071001440.

The previous prime is 140446661249. The next prime is 140446661261. The reversal of 140446661252 is 252166644041.

It can be written as a sum of positive squares in 2 ways, for example, as 88456277056 + 51990384196 = 297416^2 + 228014^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 38080223 + ... + 38083910.

It is an arithmetic number, because the mean of its divisors is an integer number (20526234113).

Almost surely, 2^140446661252 is an apocalyptic number.

It is an amenable number.

140446661252 is a deficient number, since it is larger than the sum of its proper divisors (105868148104).

140446661252 is a wasteful number, since it uses less digits than its factorization.

140446661252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76164598 (or 76164596 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 140446661252 in words is "one hundred forty billion, four hundred forty-six million, six hundred sixty-one thousand, two hundred fifty-two".