140211225 has 72 divisors (see below), whose sum is σ = 313140672. Its totient is φ = 58262400.

The previous prime is 140211217. The next prime is 140211251. The reversal of 140211225 is 522112041.

It is not a de Polignac number, because 140211225 - 2³ = 140211217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140211198 and 140211207.

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 71 ways as a sum of consecutive naturals, for example, 13279 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (4349176).

Almost surely, 2^140211225 is an apocalyptic number.

140211225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140211225 is an abundant number, since it is smaller than the sum of its proper divisors (172929447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140211225 is a wasteful number, since it uses less digits than its factorization.

140211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140211225 is about 11841.0820873770. The cubic root of 140211225 is about 519.5104181464.

Adding to 140211225 its reverse (522112041), we get a palindrome (662323266).

The spelling of 140211225 in words is "one hundred forty million, two hundred eleven thousand, two hundred twenty-five".