9138254 has 4 divisors (see below), whose sum is σ = 13707384. Its totient is φ = 4569126.

The previous prime is 9138251. The next prime is 9138271. The reversal of 9138254 is 4528319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4528319 = 37 ⋅122387.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9138254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138251) 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 as a sum of consecutive naturals, namely, 2284562 + ... + 2284565.

It is an arithmetic number, because the mean of its divisors is an integer number (3426846).

Almost surely, 2^9138254 is an apocalyptic number.

9138254 is a deficient number, since it is larger than the sum of its proper divisors (4569130).

9138254 is a wasteful number, since it uses less digits than its factorization.

9138254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569129.

The product of its digits is 8640, while the sum is 32.

The square root of 9138254 is about 3022.9545150399. The cubic root of 9138254 is about 209.0680852328.

The spelling of 9138254 in words is "nine million, one hundred thirty-eight thousand, two hundred fifty-four".