9139609227 has 8 divisors (see below), whose sum is σ = 13927023616. Its totient is φ = 5222633832.

The previous prime is 9139609181. The next prime is 9139609247. The reversal of 9139609227 is 7229069319.

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

It is not a de Polignac number, because 9139609227 - 2⁷ = 9139609099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9139609247) 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, 217609723 + ... + 217609764.

It is an arithmetic number, because the mean of its divisors is an integer number (1740877952).

Almost surely, 2^9139609227 is an apocalyptic number.

9139609227 is a deficient number, since it is larger than the sum of its proper divisors (4787414389).

9139609227 is a wasteful number, since it uses less digits than its factorization.

9139609227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435219497.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 9139609227 is about 95601.3034796074. The cubic root of 9139609227 is about 2090.7841983680.

The spelling of 9139609227 in words is "nine billion, one hundred thirty-nine million, six hundred nine thousand, two hundred twenty-seven".