9139652227 has 4 divisors (see below), whose sum is σ = 9362570616. Its totient is φ = 8916733840.

The previous prime is 9139652219. The next prime is 9139652239. The reversal of 9139652227 is 7222569319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9139652227 - 2³ = 9139652219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9139652927) 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, 111459133 + ... + 111459214.

It is an arithmetic number, because the mean of its divisors is an integer number (2340642654).

Almost surely, 2^9139652227 is an apocalyptic number.

9139652227 is a deficient number, since it is larger than the sum of its proper divisors (222918389).

9139652227 is a wasteful number, since it uses less digits than its factorization.

9139652227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222918388.

The product of its digits is 408240, while the sum is 46.

The square root of 9139652227 is about 95601.5283716741. The cubic root of 9139652227 is about 2090.7874772675.

The spelling of 9139652227 in words is "nine billion, one hundred thirty-nine million, six hundred fifty-two thousand, two hundred twenty-seven".