140140225 has 12 divisors (see below), whose sum is σ = 177816496. Its totient is φ = 109504080.

The previous prime is 140140211. The next prime is 140140237. The reversal of 140140225 is 522041041.

It is not a de Polignac number, because 140140225 - 2⁵ = 140140193 is a prime.

It is a Duffinian 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, 64107 + ... + 66256.

Almost surely, 2^140140225 is an apocalyptic number.

It is an amenable number.

140140225 is a deficient number, since it is larger than the sum of its proper divisors (37676271).

140140225 is a wasteful number, since it uses less digits than its factorization.

140140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130416 (or 130411 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140140225 is about 11838.0836709326. The cubic root of 140140225 is about 519.4227136434.

Adding to 140140225 its reverse (522041041), we get a palindrome (662181266).

The spelling of 140140225 in words is "one hundred forty million, one hundred forty thousand, two hundred twenty-five".