9138269 has 8 divisors (see below), whose sum is σ = 10509120. Its totient is φ = 7783776.

The previous prime is 9138251. The next prime is 9138271. The reversal of 9138269 is 9628319.

9138269 is digitally balanced in base 2, base 3 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9138269 - 2²⁰ = 8089693 is a prime.

It is a super-2 number, since 2×9138269² = 167015920632722, which contains 22 as substring.

It is a Duffinian number.

9138269 is strictly pandigital in base 8.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138209) 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, 2864 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (1313640).

Almost surely, 2^9138269 is an apocalyptic number.

It is an amenable number.

9138269 is a deficient number, since it is larger than the sum of its proper divisors (1370851).

9138269 is a wasteful number, since it uses less digits than its factorization.

9138269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179.

The product of its digits is 23328, while the sum is 38.

The square root of 9138269 is about 3022.9569960554. The cubic root of 9138269 is about 209.0681996245.

It can be divided in two parts, 9 and 138269, that multiplied together give a palindrome (1244421).

The spelling of 9138269 in words is "nine million, one hundred thirty-eight thousand, two hundred sixty-nine".