140140211 has 2 divisors, whose sum is σ = 140140212. Its totient is φ = 140140210.

The previous prime is 140140199. The next prime is 140140237. The reversal of 140140211 is 112041041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140140211 - 2²² = 135945907 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140140261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70070105 + 70070106.

It is an arithmetic number, because the mean of its divisors is an integer number (70070106).

Almost surely, 2^140140211 is an apocalyptic number.

140140211 is a deficient number, since it is larger than the sum of its proper divisors (1).

140140211 is an equidigital number, since it uses as much as digits as its factorization.

140140211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 140140211 is about 11838.0830796206. The cubic root of 140140211 is about 519.4226963466.

Adding to 140140211 its reverse (112041041), we get a palindrome (252181252).

The spelling of 140140211 in words is "one hundred forty million, one hundred forty thousand, two hundred eleven".