140478384 has 20 divisors (see below), whose sum is σ = 362902616. Its totient is φ = 46826112.

The previous prime is 140478379. The next prime is 140478397. The reversal of 140478384 is 483874041.

140478384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463269 + ... + 1463364.

Almost surely, 2^140478384 is an apocalyptic number.

It is an amenable number.

140478384 is an abundant number, since it is smaller than the sum of its proper divisors (222424232).

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

140478384 is a wasteful number, since it uses less digits than its factorization.

140478384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926644 (or 2926638 counting only the distinct ones).

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

The square root of 140478384 is about 11852.3577401292. The cubic root of 140478384 is about 519.8401678400.

The spelling of 140478384 in words is "one hundred forty million, four hundred seventy-eight thousand, three hundred eighty-four".