9138469 has 12 divisors (see below), whose sum is σ = 9833824. Its totient is φ = 8489664.

The previous prime is 9138463. The next prime is 9138491. The reversal of 9138469 is 9648319.

It is not a de Polignac number, because 9138469 - 2⁷ = 9138341 is a prime.

It is a super-2 number, since 2×9138469² = 167023231327922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29614 + ... + 29920.

Almost surely, 2^9138469 is an apocalyptic number.

It is an amenable number.

9138469 is a deficient number, since it is larger than the sum of its proper divisors (695355).

9138469 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (9138468) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (444).

9138469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 427 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 9138469 is about 3022.9900760671. The cubic root of 9138469 is about 209.0697248343.

The spelling of 9138469 in words is "nine million, one hundred thirty-eight thousand, four hundred sixty-nine".