140303424 has 28 divisors (see below), whose sum is σ = 371219984. Its totient is φ = 46767744.

The previous prime is 140303369. The next prime is 140303437. The reversal of 140303424 is 424303041.

It is a super-2 number, since 2×140303424² = 39370101572247552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140303424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365182 + ... + 365565.

Almost surely, 2^140303424 is an apocalyptic number.

It is an amenable number.

140303424 is an abundant number, since it is smaller than the sum of its proper divisors (230916560).

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

140303424 is an equidigital number, since it uses as much as digits as its factorization.

140303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730762 (or 730752 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140303424 is about 11844.9746306187. The cubic root of 140303424 is about 519.6242650608.

Adding to 140303424 its reverse (424303041), we get a palindrome (564606465).

The spelling of 140303424 in words is "one hundred forty million, three hundred three thousand, four hundred twenty-four".