9139899386 has 16 divisors (see below), whose sum is σ = 13798233600. Its totient is φ = 4540581360.

The previous prime is 9139899383. The next prime is 9139899401. The reversal of 9139899386 is 6839989319.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9139899383) 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, 175940 + ... + 221888.

It is an arithmetic number, because the mean of its divisors is an integer number (862389600).

Almost surely, 2^9139899386 is an apocalyptic number.

9139899386 is a deficient number, since it is larger than the sum of its proper divisors (4658334214).

9139899386 is a wasteful number, since it uses less digits than its factorization.

9139899386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46589.

The product of its digits is 22674816, while the sum is 65.

The square root of 9139899386 is about 95602.8210148634. The cubic root of 9139899386 is about 2090.8063238009.

The spelling of 9139899386 in words is "nine billion, one hundred thirty-nine million, eight hundred ninety-nine thousand, three hundred eighty-six".