140244229 has 2 divisors, whose sum is σ = 140244230. Its totient is φ = 140244228.

The previous prime is 140244227. The next prime is 140244253. The reversal of 140244229 is 922442041.

140244229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118853604 + 21390625 = 10902^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 140244229 - 2¹ = 140244227 is a prime.

Together with 140244227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 140244197 and 140244206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140244227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70122114 + 70122115.

It is an arithmetic number, because the mean of its divisors is an integer number (70122115).

Almost surely, 2^140244229 is an apocalyptic number.

It is an amenable number.

140244229 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244229 is an equidigital number, since it uses as much as digits as its factorization.

140244229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 140244229 is about 11842.4756280095. The cubic root of 140244229 is about 519.5511770721.

The spelling of 140244229 in words is "one hundred forty million, two hundred forty-four thousand, two hundred twenty-nine".