140706379728784 has 45 divisors (see below), whose sum is σ = 274166677116507. Its totient is φ = 69955932422112.

The previous prime is 140706379728779. The next prime is 140706379728793. The reversal of 140706379728784 is 487827973607041.

It is a happy number.

The square root of 140706379728784 is 11861972.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 8493163669 + ... + 8493180235.

Almost surely, 2^{140706379728784} is an apocalyptic number.

140706379728784 is the 11861972-nd square number.

It is an amenable number.

140706379728784 is a deficient number, since it is larger than the sum of its proper divisors (133460297387723).

140706379728784 is an frugal number, since it uses more digits than its factorization.

140706379728784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33500 (or 16748 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 73.

The spelling of 140706379728784 in words is "one hundred forty trillion, seven hundred six billion, three hundred seventy-nine million, seven hundred twenty-eight thousand, seven hundred eighty-four".