140655211 has 2 divisors, whose sum is σ = 140655212. Its totient is φ = 140655210.

The previous prime is 140655199. The next prime is 140655217. The reversal of 140655211 is 112556041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140655211 - 2⁹ = 140654699 is a prime.

It is not a weakly prime, because it can be changed into another prime (140655217) 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, 70327605 + 70327606.

It is an arithmetic number, because the mean of its divisors is an integer number (70327606).

Almost surely, 2^140655211 is an apocalyptic number.

140655211 is a deficient number, since it is larger than the sum of its proper divisors (1).

140655211 is an equidigital number, since it uses as much as digits as its factorization.

140655211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 140655211 is about 11859.8149648298. The cubic root of 140655211 is about 520.0581924520.

The spelling of 140655211 in words is "one hundred forty million, six hundred fifty-five thousand, two hundred eleven".