140424325 has 12 divisors (see below), whose sum is σ = 175093828. Its totient is φ = 111715200.

The previous prime is 140424313. The next prime is 140424331. The reversal of 140424325 is 523424041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20784481 + 119639844 = 4559^2 + 10938^2 .

It is not a de Polignac number, because 140424325 - 2¹¹ = 140422277 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140424325.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10992 + ... + 20041.

Almost surely, 2^140424325 is an apocalyptic number.

It is an amenable number.

140424325 is a deficient number, since it is larger than the sum of its proper divisors (34669503).

140424325 is a wasteful number, since it uses less digits than its factorization.

140424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31224 (or 31219 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140424325 is about 11850.0770039692. The cubic root of 140424325 is about 519.7734775200.

Adding to 140424325 its reverse (523424041), we get a palindrome (663848366).

The spelling of 140424325 in words is "one hundred forty million, four hundred twenty-four thousand, three hundred twenty-five".