140430403 has 8 divisors (see below), whose sum is σ = 147004416. Its totient is φ = 133984200.

The previous prime is 140430401. The next prime is 140430431. The reversal of 140430403 is 304034041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140430403 - 2¹ = 140430401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29701 + ... + 34102.

It is an arithmetic number, because the mean of its divisors is an integer number (18375552).

Almost surely, 2^140430403 is an apocalyptic number.

140430403 is a deficient number, since it is larger than the sum of its proper divisors (6574013).

140430403 is an equidigital number, since it uses as much as digits as its factorization.

140430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63905.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140430403 is about 11850.3334552239. Note that the first 3 decimals coincide. The cubic root of 140430403 is about 519.7809765475.

Adding to 140430403 its reverse (304034041), we get a palindrome (444464444).

The spelling of 140430403 in words is "one hundred forty million, four hundred thirty thousand, four hundred three".