140563284 has 12 divisors (see below), whose sum is σ = 327981024. Its totient is φ = 46854424.

The previous prime is 140563279. The next prime is 140563289. The reversal of 140563284 is 482365041.

It is an interprime number because it is at equal distance from previous prime (140563279) and next prime (140563289).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140563289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5856792 + ... + 5856815.

It is an arithmetic number, because the mean of its divisors is an integer number (27331752).

Almost surely, 2^140563284 is an apocalyptic number.

It is an amenable number.

140563284 is an abundant number, since it is smaller than the sum of its proper divisors (187417740).

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

140563284 is a wasteful number, since it uses less digits than its factorization.

140563284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713614 (or 11713612 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 140563284 is about 11855.9387650241. The cubic root of 140563284 is about 519.9448708814.

The spelling of 140563284 in words is "one hundred forty million, five hundred sixty-three thousand, two hundred eighty-four".