605138074 has 4 divisors (see below), whose sum is σ = 907707114. Its totient is φ = 302569036.

The previous prime is 605138059. The next prime is 605138077. The reversal of 605138074 is 470831506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470831506 = 2 ⋅235415753.

It can be written as a sum of positive squares in only one way, i.e., 551921049 + 53217025 = 23493^2 + 7295^2 .

It is not an unprimeable number, because it can be changed into a prime (605138077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151284517 + ... + 151284520.

Almost surely, 2^605138074 is an apocalyptic number.

605138074 is a deficient number, since it is larger than the sum of its proper divisors (302569040).

605138074 is a wasteful number, since it uses less digits than its factorization.

605138074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302569039.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 605138074 is about 24599.5543455568. The cubic root of 605138074 is about 845.8333918082.

The spelling of 605138074 in words is "six hundred five million, one hundred thirty-eight thousand, seventy-four".