140466664 has 16 divisors (see below), whose sum is σ = 283634820. Its totient is φ = 64830720.

The previous prime is 140466647. The next prime is 140466671. The reversal of 140466664 is 466664041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137874564 + 2592100 = 11742^2 + 1610^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675217 + ... + 675424.

Almost surely, 2^140466664 is an apocalyptic number.

It is an amenable number.

140466664 is an abundant number, since it is smaller than the sum of its proper divisors (143168156).

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

140466664 is a wasteful number, since it uses less digits than its factorization.

140466664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350660 (or 1350656 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 140466664 is about 11851.8633134204. The cubic root of 140466664 is about 519.8257108205.

The spelling of 140466664 in words is "one hundred forty million, four hundred sixty-six thousand, six hundred sixty-four".