605136404 has 24 divisors (see below), whose sum is σ = 1085901768. Its totient is φ = 294952320.

The previous prime is 605136401. The next prime is 605136407. The reversal of 605136404 is 404631506.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (605136401) and next prime (605136407).

It can be written as a sum of positive squares in 4 ways, for example, as 240250000 + 364886404 = 15500^2 + 19102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605136401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24194 + ... + 42374.

It is an arithmetic number, because the mean of its divisors is an integer number (45245907).

Almost surely, 2^605136404 is an apocalyptic number.

It is an amenable number.

605136404 is a deficient number, since it is larger than the sum of its proper divisors (480765364).

605136404 is a wasteful number, since it uses less digits than its factorization.

605136404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395 (or 18393 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 605136404 is about 24599.5204018290. The cubic root of 605136404 is about 845.8326137251.

The spelling of 605136404 in words is "six hundred five million, one hundred thirty-six thousand, four hundred four".