608928139 has 2 divisors, whose sum is σ = 608928140. Its totient is φ = 608928138.

The previous prime is 608928137. The next prime is 608928149. The reversal of 608928139 is 931829806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608928139 - 2¹ = 608928137 is a prime.

Together with 608928137, 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 (608928137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304464069 + 304464070.

It is an arithmetic number, because the mean of its divisors is an integer number (304464070).

Almost surely, 2^608928139 is an apocalyptic number.

608928139 is a deficient number, since it is larger than the sum of its proper divisors (1).

608928139 is an equidigital number, since it uses as much as digits as its factorization.

608928139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 608928139 is about 24676.4693382177. The cubic root of 608928139 is about 847.5955758705.

The spelling of 608928139 in words is "six hundred eight million, nine hundred twenty-eight thousand, one hundred thirty-nine".