140331403 has 8 divisors (see below), whose sum is σ = 143945648. Its totient is φ = 136733184.

The previous prime is 140331371. The next prime is 140331407. The reversal of 140331403 is 304133041.

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 140331403 - 2⁵ = 140331371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140331407) 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, 14851 + ... + 22387.

It is an arithmetic number, because the mean of its divisors is an integer number (17993206).

Almost surely, 2^140331403 is an apocalyptic number.

140331403 is a deficient number, since it is larger than the sum of its proper divisors (3614245).

140331403 is an equidigital number, since it uses as much as digits as its factorization.

140331403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140331403 is about 11846.1556211287. The cubic root of 140331403 is about 519.6588035408.

Adding to 140331403 its reverse (304133041), we get a palindrome (444464444).

The spelling of 140331403 in words is "one hundred forty million, three hundred thirty-one thousand, four hundred three".