140311451466 has 12 divisors (see below), whose sum is σ = 304008144882. Its totient is φ = 46770483816.

The previous prime is 140311451459. The next prime is 140311451471. The reversal of 140311451466 is 664154113041.

140311451466 is a `hidden beast` number, since 1 + 40 + 31 + 14 + 514 + 66 = 666.

140311451466 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., 127481132025 + 12830319441 = 357045^2 + 113271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140311451466.

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 5 ways as a sum of consecutive naturals, for example, 3897540301 + ... + 3897540336.

Almost surely, 2^140311451466 is an apocalyptic number.

140311451466 is an abundant number, since it is smaller than the sum of its proper divisors (163696693416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140311451466 is a wasteful number, since it uses less digits than its factorization.

140311451466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795080645 (or 7795080642 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 140311451466 in words is "one hundred forty billion, three hundred eleven million, four hundred fifty-one thousand, four hundred sixty-six".