140784384 has 144 divisors (see below), whose sum is σ = 412070400. Its totient is φ = 42405888.

The previous prime is 140784379. The next prime is 140784431. The reversal of 140784384 is 483487041.

140784384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588937 + ... + 589175.

It is an arithmetic number, because the mean of its divisors is an integer number (2861600).

Almost surely, 2^140784384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140784384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206035200).

140784384 is an abundant number, since it is smaller than the sum of its proper divisors (271286016).

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

140784384 is a wasteful number, since it uses less digits than its factorization.

140784384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 140784384 is about 11865.2595420412. The cubic root of 140784384 is about 520.2173450408.

The spelling of 140784384 in words is "one hundred forty million, seven hundred eighty-four thousand, three hundred eighty-four".