140452211 has 2 divisors, whose sum is σ = 140452212. Its totient is φ = 140452210.

The previous prime is 140452189. The next prime is 140452223. The reversal of 140452211 is 112254041.

It is a happy number.

140452211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140452211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140152211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70226105 + 70226106.

It is an arithmetic number, because the mean of its divisors is an integer number (70226106).

Almost surely, 2^140452211 is an apocalyptic number.

140452211 is a deficient number, since it is larger than the sum of its proper divisors (1).

140452211 is an equidigital number, since it uses as much as digits as its factorization.

140452211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140452211 is about 11851.2535623874. The cubic root of 140452211 is about 519.8078814450.

The spelling of 140452211 in words is "one hundred forty million, four hundred fifty-two thousand, two hundred eleven".