140540324 has 6 divisors (see below), whose sum is σ = 245945574. Its totient is φ = 70270160.

The previous prime is 140540303. The next prime is 140540341. The reversal of 140540324 is 423045041.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 28815424 = 10570^2 + 5368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140540324.

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 as a sum of consecutive naturals, namely, 17567537 + ... + 17567544.

It is an arithmetic number, because the mean of its divisors is an integer number (40990929).

Almost surely, 2^140540324 is an apocalyptic number.

It is an amenable number.

140540324 is a deficient number, since it is larger than the sum of its proper divisors (105405250).

140540324 is a wasteful number, since it uses less digits than its factorization.

140540324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35135085 (or 35135083 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 140540324 is about 11854.9704343790. The cubic root of 140540324 is about 519.9165595900.

Adding to 140540324 its reverse (423045041), we get a palindrome (563585365).

The spelling of 140540324 in words is "one hundred forty million, five hundred forty thousand, three hundred twenty-four".