140804647642 has 16 divisors (see below), whose sum is σ = 213274152000. Its totient is φ = 69713370432.

The previous prime is 140804647639. The next prime is 140804647657. The reversal of 140804647642 is 246746408041.

It is a junction number, because it is equal to n+sod(n) for n = 140804647592 and 140804647601.

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 7 ways as a sum of consecutive naturals, for example, 4412898 + ... + 4444690.

It is an arithmetic number, because the mean of its divisors is an integer number (13329634500).

Almost surely, 2^140804647642 is an apocalyptic number.

140804647642 is a deficient number, since it is larger than the sum of its proper divisors (72469504358).

140804647642 is a wasteful number, since it uses less digits than its factorization.

140804647642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53397.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 140804647642 in words is "one hundred forty billion, eight hundred four million, six hundred forty-seven thousand, six hundred forty-two".