140403320 has 32 divisors (see below), whose sum is σ = 316336320. Its totient is φ = 56085120.

The previous prime is 140403301. The next prime is 140403337. The reversal of 140403320 is 23304041.

It is a congruent number.

It is an unprimeable number.

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, 34514 + ... + 38366.

It is an arithmetic number, because the mean of its divisors is an integer number (9885510).

Almost surely, 2^140403320 is an apocalyptic number.

140403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140403320 is an abundant number, since it is smaller than the sum of its proper divisors (175933000).

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

140403320 is a wasteful number, since it uses less digits than its factorization.

140403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140403320 is about 11849.1906896632. The cubic root of 140403320 is about 519.7475599156.

Adding to 140403320 its reverse (23304041), we get a palindrome (163707361).

The spelling of 140403320 in words is "one hundred forty million, four hundred three thousand, three hundred twenty".