140403040 has 48 divisors (see below), whose sum is σ = 346133088. Its totient is φ = 53718016.

The previous prime is 140403031. The next prime is 140403071. The reversal of 140403040 is 40304041.

140403040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15397 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (7211106).

Almost surely, 2^140403040 is an apocalyptic number.

140403040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140403040 is an abundant number, since it is smaller than the sum of its proper divisors (205730048).

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

140403040 is a wasteful number, since it uses less digits than its factorization.

140403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38191 (or 38183 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140403040 is about 11849.1788745043. The cubic root of 140403040 is about 519.7472144123.

Adding to 140403040 its reverse (40304041), we get a palindrome (180707081).

The spelling of 140403040 in words is "one hundred forty million, four hundred three thousand, forty".