140142384 has 120 divisors (see below), whose sum is σ = 417153360. Its totient is φ = 43835904.

The previous prime is 140142377. The next prime is 140142403. The reversal of 140142384 is 483241041.

140142384 is a `hidden beast` number, since 140 + 142 + 384 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154059 + ... + 154965.

It is an arithmetic number, because the mean of its divisors is an integer number (3476278).

Almost surely, 2^140142384 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 140142384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208576680).

140142384 is an abundant number, since it is smaller than the sum of its proper divisors (277010976).

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

140142384 is a wasteful number, since it uses less digits than its factorization.

140142384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 140142384 is about 11838.1748593269. The cubic root of 140142384 is about 519.4253810381.

The spelling of 140142384 in words is "one hundred forty million, one hundred forty-two thousand, three hundred eighty-four".