140233229 has 2 divisors, whose sum is σ = 140233230. Its totient is φ = 140233228.

The previous prime is 140233217. The next prime is 140233253. The reversal of 140233229 is 922332041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136352329 + 3880900 = 11677^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 140233229 - 2⁴ = 140233213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140233198 and 140233207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140233259) by changing a digit.

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 as a sum of consecutive naturals, namely, 70116614 + 70116615.

It is an arithmetic number, because the mean of its divisors is an integer number (70116615).

Almost surely, 2^140233229 is an apocalyptic number.

It is an amenable number.

140233229 is a deficient number, since it is larger than the sum of its proper divisors (1).

140233229 is an equidigital number, since it uses as much as digits as its factorization.

140233229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 140233229 is about 11842.0111889831. The cubic root of 140233229 is about 519.5375931207.

The spelling of 140233229 in words is "one hundred forty million, two hundred thirty-three thousand, two hundred twenty-nine".