140120225 has 12 divisors (see below), whose sum is σ = 198570624. Its totient is φ = 96082320.

The previous prime is 140120191. The next prime is 140120237. The reversal of 140120225 is 522021041.

It is not a de Polignac number, because 140120225 - 2⁶ = 140120161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400169 + ... + 400518.

It is an arithmetic number, because the mean of its divisors is an integer number (16547552).

Almost surely, 2^140120225 is an apocalyptic number.

It is an amenable number.

140120225 is a deficient number, since it is larger than the sum of its proper divisors (58450399).

140120225 is an equidigital number, since it uses as much as digits as its factorization.

140120225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800704 (or 800699 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140120225 is about 11837.2389094755. The cubic root of 140120225 is about 519.3980028023.

Adding to 140120225 its reverse (522021041), we get a palindrome (662141266).

The spelling of 140120225 in words is "one hundred forty million, one hundred twenty thousand, two hundred twenty-five".