605148939 has 6 divisors (see below), whose sum is σ = 874104036. Its totient is φ = 403432620.

The previous prime is 605148931. The next prime is 605148941. The reversal of 605148939 is 939841506.

It is a happy number.

605148939 is a `hidden beast` number, since 605 + 1 + 4 + 8 + 9 + 39 = 666.

It is not a de Polignac number, because 605148939 - 2³ = 605148931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605148894 and 605148903.

It is not an unprimeable number, because it can be changed into a prime (605148931) 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 in 5 ways as a sum of consecutive naturals, for example, 33619377 + ... + 33619394.

It is an arithmetic number, because the mean of its divisors is an integer number (145684006).

Almost surely, 2^605148939 is an apocalyptic number.

605148939 is a deficient number, since it is larger than the sum of its proper divisors (268955097).

605148939 is a wasteful number, since it uses less digits than its factorization.

605148939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67238777 (or 67238774 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 605148939 is about 24599.7751818995. The cubic root of 605148939 is about 845.8384539723.

The spelling of 605148939 in words is "six hundred five million, one hundred forty-eight thousand, nine hundred thirty-nine".