140331225 has 12 divisors (see below), whose sum is σ = 232014416. Its totient is φ = 74843280.

The previous prime is 140331223. The next prime is 140331239. The reversal of 140331225 is 522133041.

It is not a de Polignac number, because 140331225 - 2¹ = 140331223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140331223) 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 11 ways as a sum of consecutive naturals, for example, 935467 + ... + 935616.

Almost surely, 2^140331225 is an apocalyptic number.

140331225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140331225 is a deficient number, since it is larger than the sum of its proper divisors (91683191).

140331225 is a wasteful number, since it uses less digits than its factorization.

140331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871096 (or 1871091 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140331225 is about 11846.1481081405. The cubic root of 140331225 is about 519.6585838244.

Adding to 140331225 its reverse (522133041), we get a palindrome (662464266).

The spelling of 140331225 in words is "one hundred forty million, three hundred thirty-one thousand, two hundred twenty-five".