140630225 has 12 divisors (see below), whose sum is σ = 174691200. Its totient is φ = 112304400.

The previous prime is 140630221. The next prime is 140630261. The reversal of 140630225 is 522036041.

It is not a de Polignac number, because 140630225 - 2² = 140630221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140630225.

It is not an unprimeable number, because it can be changed into a prime (140630221) 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, 10280 + ... + 19670.

It is an arithmetic number, because the mean of its divisors is an integer number (14557600).

Almost surely, 2^140630225 is an apocalyptic number.

It is an amenable number.

140630225 is a deficient number, since it is larger than the sum of its proper divisors (34060975).

140630225 is an equidigital number, since it uses as much as digits as its factorization.

140630225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9995 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 140630225 is about 11858.7615289287. The cubic root of 140630225 is about 520.0273962390.

Adding to 140630225 its reverse (522036041), we get a palindrome (662666266).

The spelling of 140630225 in words is "one hundred forty million, six hundred thirty thousand, two hundred twenty-five".