140004424 has 32 divisors (see below), whose sum is σ = 300499200. Its totient is φ = 59904000.

The previous prime is 140004413. The next prime is 140004433. The reversal of 140004424 is 424400041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40392 + ... + 43720.

It is an arithmetic number, because the mean of its divisors is an integer number (9390600).

Almost surely, 2^140004424 is an apocalyptic number.

140004424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140004424 is an abundant number, since it is smaller than the sum of its proper divisors (160494776).

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

140004424 is a wasteful number, since it uses less digits than its factorization.

140004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 140004424 is about 11832.3465128435. The cubic root of 140004424 is about 519.2548795546.

Adding to 140004424 its reverse (424400041), we get a palindrome (564404465).

The spelling of 140004424 in words is "one hundred forty million, four thousand, four hundred twenty-four".