140440124 has 12 divisors (see below), whose sum is σ = 268113048. Its totient is φ = 63836400.

The previous prime is 140440121. The next prime is 140440141. The reversal of 140440124 is 421044041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140440096 and 140440105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595867 + ... + 1595954.

It is an arithmetic number, because the mean of its divisors is an integer number (22342754).

Almost surely, 2^140440124 is an apocalyptic number.

It is an amenable number.

140440124 is a deficient number, since it is larger than the sum of its proper divisors (127672924).

140440124 is a wasteful number, since it uses less digits than its factorization.

140440124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191836 (or 3191834 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140440124 is about 11850.7436053608. The cubic root of 140440124 is about 519.7929698533.

Adding to 140440124 its reverse (421044041), we get a palindrome (561484165).

The spelling of 140440124 in words is "one hundred forty million, four hundred forty thousand, one hundred twenty-four".