140154218972 has 12 divisors (see below), whose sum is σ = 245294390040. Its totient is φ = 70070107536.

The previous prime is 140154218921. The next prime is 140154219047. The reversal of 140154218972 is 279812451041.

It is a happy number.

140154218972 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1705322 + ... + 1785617.

It is an arithmetic number, because the mean of its divisors is an integer number (20441199170).

Almost surely, 2^140154218972 is an apocalyptic number.

It is an amenable number.

140154218972 is a deficient number, since it is larger than the sum of its proper divisors (105140171068).

140154218972 is a wasteful number, since it uses less digits than its factorization.

140154218972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500980 (or 3500978 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 140154218972 in words is "one hundred forty billion, one hundred fifty-four million, two hundred eighteen thousand, nine hundred seventy-two".