140223421025 has 12 divisors (see below), whose sum is σ = 177157742652. Its totient is φ = 110062155840.

The previous prime is 140223420983. The next prime is 140223421069. The reversal of 140223421025 is 520124322041.

140223421025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 35331136 + 140188089889 = 5944^2 + 374417^2 .

It is not a de Polignac number, because 140223421025 - 2⁸ = 140223420769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140223420985 and 140223421003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52913174 + ... + 52915823.

It is an arithmetic number, because the mean of its divisors is an integer number (14763145221).

Almost surely, 2^140223421025 is an apocalyptic number.

It is an amenable number.

140223421025 is a deficient number, since it is larger than the sum of its proper divisors (36934321627).

140223421025 is a wasteful number, since it uses less digits than its factorization.

140223421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105829060 (or 105829055 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 140223421025 its reverse (520124322041), we get a palindrome (660347743066).

The spelling of 140223421025 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, twenty-five".