140054784 has 72 divisors (see below), whose sum is σ = 381508512. Its totient is φ = 45588480.

The previous prime is 140054777. The next prime is 140054819. The reversal of 140054784 is 487450041.

It is an unprimeable 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, 30904 + ... + 35144.

Almost surely, 2^140054784 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 140054784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190754256).

140054784 is an abundant number, since it is smaller than the sum of its proper divisors (241453728).

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

140054784 is an equidigital number, since it uses as much as digits as its factorization.

140054784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 140054784 is about 11834.4743863004. The cubic root of 140054784 is about 519.3171312565.

The spelling of 140054784 in words is "one hundred forty million, fifty-four thousand, seven hundred eighty-four".