140608879 has 2 divisors, whose sum is σ = 140608880. Its totient is φ = 140608878.

The previous prime is 140608817. The next prime is 140608927. The reversal of 140608879 is 978806041.

It is a strong prime.

It is an emirp because it is prime and its reverse (978806041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140608879 - 2²⁵ = 107054447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140608579) 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, 70304439 + 70304440.

It is an arithmetic number, because the mean of its divisors is an integer number (70304440).

Almost surely, 2^140608879 is an apocalyptic number.

140608879 is a deficient number, since it is larger than the sum of its proper divisors (1).

140608879 is an equidigital number, since it uses as much as digits as its factorization.

140608879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 140608879 is about 11857.8614851077. The cubic root of 140608879 is about 520.0010835776.

The spelling of 140608879 in words is "one hundred forty million, six hundred eight thousand, eight hundred seventy-nine".