140430784 has 56 divisors (see below), whose sum is σ = 305133248. Its totient is φ = 63728640.

The previous prime is 140430749. The next prime is 140430809. The reversal of 140430784 is 487034041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49369 + ... + 52135.

It is an arithmetic number, because the mean of its divisors is an integer number (5448808).

Almost surely, 2^140430784 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 140430784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152566624).

140430784 is an abundant number, since it is smaller than the sum of its proper divisors (164702464).

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

140430784 is a wasteful number, since it uses less digits than its factorization.

140430784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 140430784 is about 11850.3495307101. The cubic root of 140430784 is about 519.7814466175.

The spelling of 140430784 in words is "one hundred forty million, four hundred thirty thousand, seven hundred eighty-four".