140231324 has 12 divisors (see below), whose sum is σ = 258321000. Its totient is φ = 66425328.

The previous prime is 140231323. The next prime is 140231347. The reversal of 140231324 is 423132041.

It is a junction number, because it is equal to n+sod(n) for n = 140231296 and 140231305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140231323) 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, 922499 + ... + 922650.

It is an arithmetic number, because the mean of its divisors is an integer number (21526750).

Almost surely, 2^140231324 is an apocalyptic number.

It is an amenable number.

140231324 is a deficient number, since it is larger than the sum of its proper divisors (118089676).

140231324 is a wasteful number, since it uses less digits than its factorization.

140231324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845172 (or 1845170 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140231324 is about 11841.9307547376. The cubic root of 140231324 is about 519.5352405551.

Adding to 140231324 its reverse (423132041), we get a palindrome (563363365).

The spelling of 140231324 in words is "one hundred forty million, two hundred thirty-one thousand, three hundred twenty-four".