140466663 has 8 divisors (see below), whose sum is σ = 208098800. Its totient is φ = 93644424.

The previous prime is 140466647. The next prime is 140466671. The reversal of 140466663 is 366664041.

It is not a de Polignac number, because 140466663 - 2⁴ = 140466647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140466643) by changing a digit.

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, 2601208 + ... + 2601261.

It is an arithmetic number, because the mean of its divisors is an integer number (26012350).

Almost surely, 2^140466663 is an apocalyptic number.

140466663 is a deficient number, since it is larger than the sum of its proper divisors (67632137).

140466663 is an equidigital number, since it uses as much as digits as its factorization.

140466663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202478 (or 5202472 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 140466663 is about 11851.8632712329. The cubic root of 140466663 is about 519.8257095870.

The spelling of 140466663 in words is "one hundred forty million, four hundred sixty-six thousand, six hundred sixty-three".