6567138 has 24 divisors (see below), whose sum is σ = 14464476. Its totient is φ = 2152800.

The previous prime is 6567131. The next prime is 6567149. The reversal of 6567138 is 8317656.

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 2169729 = 2097^2 + 1473^2 .

It is a super-2 number, since 2×6567138² = 86254603022088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6567131) 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, 1893 + ... + 4088.

Almost surely, 2^6567138 is an apocalyptic number.

6567138 is an abundant number, since it is smaller than the sum of its proper divisors (7897338).

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

6567138 is a wasteful number, since it uses less digits than its factorization.

6567138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050 (or 6047 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6567138 is about 2562.6427765102. The cubic root of 6567138 is about 187.2659051863.

The spelling of 6567138 in words is "six million, five hundred sixty-seven thousand, one hundred thirty-eight".