140283264 has 64 divisors (see below), whose sum is σ = 406514880. Its totient is φ = 42508800.

The previous prime is 140283257. The next prime is 140283281. The reversal of 140283264 is 462382041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12382 + ... + 20829.

It is an arithmetic number, because the mean of its divisors is an integer number (6351795).

Almost surely, 2^140283264 is an apocalyptic number.

It is an amenable number.

140283264 is an abundant number, since it is smaller than the sum of its proper divisors (266231616).

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

140283264 is a wasteful number, since it uses less digits than its factorization.

140283264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33239 (or 33227 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 140283264 is about 11844.1236062446. The cubic root of 140283264 is about 519.5993758441.

It can be divided in two parts, 1402 and 83264, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 140283264 in words is "one hundred forty million, two hundred eighty-three thousand, two hundred sixty-four".