3009406138 has 16 divisors (see below), whose sum is σ = 4527147240. Its totient is φ = 1500364800.

The previous prime is 3009406133. The next prime is 3009406139. The reversal of 3009406138 is 8316049003.

It can be written as a sum of positive squares in 4 ways, for example, as 2232279009 + 777127129 = 47247^2 + 27877^2 .

It is not an unprimeable number, because it can be changed into a prime (3009406133) 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, 1353868 + ... + 1356088.

Almost surely, 2^3009406138 is an apocalyptic number.

3009406138 is a deficient number, since it is larger than the sum of its proper divisors (1517741102).

3009406138 is a wasteful number, since it uses less digits than its factorization.

3009406138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3009406138 is about 54858.0544496430. The cubic root of 3009406138 is about 1443.7553308574.

The spelling of 3009406138 in words is "three billion, nine million, four hundred six thousand, one hundred thirty-eight".