140247324 has 36 divisors (see below), whose sum is σ = 405159664. Its totient is φ = 40070592.

The previous prime is 140247257. The next prime is 140247329. The reversal of 140247324 is 423742041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140247329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278017 + ... + 278520.

Almost surely, 2^140247324 is an apocalyptic number.

140247324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140247324 is an abundant number, since it is smaller than the sum of its proper divisors (264912340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140247324 is a wasteful number, since it uses less digits than its factorization.

140247324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556554 (or 556549 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 140247324 is about 11842.6063009795. The cubic root of 140247324 is about 519.5549989740.

Adding to 140247324 its reverse (423742041), we get a palindrome (563989365).

The spelling of 140247324 in words is "one hundred forty million, two hundred forty-seven thousand, three hundred twenty-four".