140208611 has 2 divisors, whose sum is σ = 140208612. Its totient is φ = 140208610.

The previous prime is 140208589. The next prime is 140208613. The reversal of 140208611 is 116802041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140208611 is a prime.

Together with 140208613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140208613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70104305 + 70104306.

It is an arithmetic number, because the mean of its divisors is an integer number (70104306).

Almost surely, 2^140208611 is an apocalyptic number.

140208611 is a deficient number, since it is larger than the sum of its proper divisors (1).

140208611 is an equidigital number, since it uses as much as digits as its factorization.

140208611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 140208611 is about 11840.9717084368. The cubic root of 140208611 is about 519.5071896634.

The spelling of 140208611 in words is "one hundred forty million, two hundred eight thousand, six hundred eleven".