9601139 has 4 divisors (see below), whose sum is σ = 9623256. Its totient is φ = 9579024.

The previous prime is 9601091. The next prime is 9601159. The reversal of 9601139 is 9311069.

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 9601139 - 2⁸ = 9600883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9601159) 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, 10394 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (2405814).

Almost surely, 2^9601139 is an apocalyptic number.

9601139 is a deficient number, since it is larger than the sum of its proper divisors (22117).

9601139 is a wasteful number, since it uses less digits than its factorization.

9601139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 9601139 is about 3098.5704768490. The cubic root of 9601139 is about 212.5401188382.

The spelling of 9601139 in words is "nine million, six hundred one thousand, one hundred thirty-nine".