3165138 has 24 divisors (see below), whose sum is σ = 6929676. Its totient is φ = 1044000.

The previous prime is 3165133. The next prime is 3165139. The reversal of 3165138 is 8315613.

3165138 is a `hidden beast` number, since 3 + 1 + 651 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 21609 = 1773^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (3165133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948 + ... + 2688.

Almost surely, 2^3165138 is an apocalyptic number.

3165138 is an abundant number, since it is smaller than the sum of its proper divisors (3764538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3165138 is a wasteful number, since it uses less digits than its factorization.

3165138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1847 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3165138 is about 1779.0834719034. The cubic root of 3165138 is about 146.8241684971.

The spelling of 3165138 in words is "three million, one hundred sixty-five thousand, one hundred thirty-eight".