608722139 has 2 divisors, whose sum is σ = 608722140. Its totient is φ = 608722138.

The previous prime is 608722123. The next prime is 608722183. The reversal of 608722139 is 931227806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608722139 - 2⁴ = 608722123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (668722139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304361069 + 304361070.

It is an arithmetic number, because the mean of its divisors is an integer number (304361070).

Almost surely, 2^608722139 is an apocalyptic number.

608722139 is a deficient number, since it is larger than the sum of its proper divisors (1).

608722139 is an equidigital number, since it uses as much as digits as its factorization.

608722139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 608722139 is about 24672.2949682432. The cubic root of 608722139 is about 847.4999847431.

The spelling of 608722139 in words is "six hundred eight million, seven hundred twenty-two thousand, one hundred thirty-nine".