140606899 has 2 divisors, whose sum is σ = 140606900. Its totient is φ = 140606898.

The previous prime is 140606867. The next prime is 140606929. The reversal of 140606899 is 998606041.

It is a strong prime.

It is an emirp because it is prime and its reverse (998606041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140606899 - 2⁵ = 140606867 is a prime.

It is not a weakly prime, because it can be changed into another prime (140606849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70303449 + 70303450.

It is an arithmetic number, because the mean of its divisors is an integer number (70303450).

Almost surely, 2^140606899 is an apocalyptic number.

140606899 is a deficient number, since it is larger than the sum of its proper divisors (1).

140606899 is an equidigital number, since it uses as much as digits as its factorization.

140606899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 140606899 is about 11857.7779958979. Note that the first 3 decimals coincide. The cubic root of 140606899 is about 519.9986427479.

The spelling of 140606899 in words is "one hundred forty million, six hundred six thousand, eight hundred ninety-nine".