140306324 has 6 divisors (see below), whose sum is σ = 245536074. Its totient is φ = 70153160.

The previous prime is 140306311. The next prime is 140306333. The reversal of 140306324 is 423603041.

It is a happy number.

140306324 is digitally balanced in base 2, 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 only one way, i.e., 95844100 + 44462224 = 9790^2 + 6668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140306324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17538287 + ... + 17538294.

It is an arithmetic number, because the mean of its divisors is an integer number (40922679).

Almost surely, 2^140306324 is an apocalyptic number.

It is an amenable number.

140306324 is a deficient number, since it is larger than the sum of its proper divisors (105229750).

140306324 is a wasteful number, since it uses less digits than its factorization.

140306324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076585 (or 35076583 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140306324 is about 11845.0970447692. The cubic root of 140306324 is about 519.6278451587.

Adding to 140306324 its reverse (423603041), we get a palindrome (563909365).

The spelling of 140306324 in words is "one hundred forty million, three hundred six thousand, three hundred twenty-four".