140406154612 has 6 divisors (see below), whose sum is σ = 245710770578. Its totient is φ = 70203077304.

The previous prime is 140406154607. The next prime is 140406154643. The reversal of 140406154612 is 216451604041.

140406154612 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 only one way, i.e., 93149481616 + 47256672996 = 305204^2 + 217386^2 .

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 as a sum of consecutive naturals, namely, 17550769323 + ... + 17550769330.

Almost surely, 2^140406154612 is an apocalyptic number.

It is an amenable number.

140406154612 is a deficient number, since it is larger than the sum of its proper divisors (105304615966).

140406154612 is a wasteful number, since it uses less digits than its factorization.

140406154612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35101538657 (or 35101538655 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 140406154612 its reverse (216451604041), we get a palindrome (356857758653).

The spelling of 140406154612 in words is "one hundred forty billion, four hundred six million, one hundred fifty-four thousand, six hundred twelve".