9138164338 has 8 divisors (see below), whose sum is σ = 13799241900. Its totient is φ = 4538417040.

The previous prime is 9138164333. The next prime is 9138164381. The reversal of 9138164338 is 8334618319.

It can be written as a sum of positive squares in 2 ways, for example, as 8509509009 + 628655329 = 92247^2 + 25073^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9138164333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15332193 + ... + 15332788.

Almost surely, 2^9138164338 is an apocalyptic number.

9138164338 is a deficient number, since it is larger than the sum of its proper divisors (4661077562).

9138164338 is a wasteful number, since it uses less digits than its factorization.

9138164338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30665132.

The product of its digits is 373248, while the sum is 46.

The square root of 9138164338 is about 95593.7463331153. The cubic root of 9138164338 is about 2090.6740145800.

The spelling of 9138164338 in words is "nine billion, one hundred thirty-eight million, one hundred sixty-four thousand, three hundred thirty-eight".