140466 has 16 divisors (see below), whose sum is σ = 288288. Its totient is φ = 45600.

The previous prime is 140453. The next prime is 140473. The reversal of 140466 is 664041.

It is a Curzon number.

It is a plaindrome in base 7.

It is an unprimeable number.

140466 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁴⁰⁴⁶⁶ is an apocalyptic number.

140466 is an abundant number, since it is smaller than the sum of its proper divisors (147822).

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

140466 is a wasteful number, since it uses less digits than its factorization.

140466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140466 is about 374.7879400408. The cubic root of 140466 is about 51.9824891730.

It can be divided in two parts, 140 and 466, that added together give a palindrome (606).

The spelling of 140466 in words is "one hundred forty thousand, four hundred sixty-six".