140310229 has 2 divisors, whose sum is σ = 140310230. Its totient is φ = 140310228.

The previous prime is 140310221. The next prime is 140310251. The reversal of 140310229 is 922013041.

It is an a-pointer prime, because the next prime (140310251) can be obtained adding 140310229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103428900 + 36881329 = 10170^2 + 6073^2 .

It is an emirp because it is prime and its reverse (922013041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140310229 - 2³ = 140310221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140310221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70155114 + 70155115.

It is an arithmetic number, because the mean of its divisors is an integer number (70155115).

Almost surely, 2^140310229 is an apocalyptic number.

It is an amenable number.

140310229 is a deficient number, since it is larger than the sum of its proper divisors (1).

140310229 is an equidigital number, since it uses as much as digits as its factorization.

140310229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 140310229 is about 11845.2618797560. The cubic root of 140310229 is about 519.6326658678.

The spelling of 140310229 in words is "one hundred forty million, three hundred ten thousand, two hundred twenty-nine".