140403124 has 12 divisors (see below), whose sum is σ = 245794500. Its totient is φ = 70176128.

The previous prime is 140403121. The next prime is 140403143. The reversal of 140403124 is 421304041.

140403124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47858724 + 92544400 = 6918^2 + 9620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403121) 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 3 ways as a sum of consecutive naturals, for example, 11862 + ... + 20530.

It is an arithmetic number, because the mean of its divisors is an integer number (20482875).

Almost surely, 2^140403124 is an apocalyptic number.

It is an amenable number.

140403124 is a deficient number, since it is larger than the sum of its proper divisors (105391376).

140403124 is a wasteful number, since it uses less digits than its factorization.

140403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12722 (or 12720 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140403124 is about 11849.1824190532. The cubic root of 140403124 is about 519.7473180634.

Adding to 140403124 its reverse (421304041), we get a palindrome (561707165).

The spelling of 140403124 in words is "one hundred forty million, four hundred three thousand, one hundred twenty-four".