140556391418 has 8 divisors (see below), whose sum is σ = 214290892020. Its totient is φ = 69126094080.

The previous prime is 140556391403. The next prime is 140556391471. The reversal of 140556391418 is 814193655041.

140556391418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135683932609 + 4872458809 = 368353^2 + 69803^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576050663 + ... + 576050906.

Almost surely, 2^140556391418 is an apocalyptic number.

140556391418 is a deficient number, since it is larger than the sum of its proper divisors (73734500602).

140556391418 is a wasteful number, since it uses less digits than its factorization.

140556391418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152101632.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 140556391418 in words is "one hundred forty billion, five hundred fifty-six million, three hundred ninety-one thousand, four hundred eighteen".