140642464443266 has 8 divisors (see below), whose sum is σ = 210968972328060. Its totient is φ = 70319473667248.

The previous prime is 140642464443157. The next prime is 140642464443277. The reversal of 140642464443266 is 662344464246041.

It can be written as a sum of positive squares in 2 ways, for example, as 111180680850625 + 29461783592641 = 10544225^2 + 5427871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879177221 + ... + 879337176.

Almost surely, 2^{140642464443266} is an apocalyptic number.

140642464443266 is a deficient number, since it is larger than the sum of its proper divisors (70326507884794).

140642464443266 is a wasteful number, since it uses less digits than its factorization.

140642464443266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758554388.

The product of its (nonzero) digits is 63700992, while the sum is 56.

The spelling of 140642464443266 in words is "one hundred forty trillion, six hundred forty-two billion, four hundred sixty-four million, four hundred forty-three thousand, two hundred sixty-six".