8965139 has 4 divisors (see below), whose sum is σ = 8974080. Its totient is φ = 8956200.

The previous prime is 8965133. The next prime is 8965153. The reversal of 8965139 is 9315698.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8965139 - 2¹⁶ = 8899603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8965096 and 8965105.

It is not an unprimeable number, because it can be changed into a prime (8965133) 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, 2744 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (2243520).

Almost surely, 2^8965139 is an apocalyptic number.

8965139 is a deficient number, since it is larger than the sum of its proper divisors (8941).

8965139 is a wasteful number, since it uses less digits than its factorization.

8965139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940.

The product of its digits is 58320, while the sum is 41.

The square root of 8965139 is about 2994.1841960708. The cubic root of 8965139 is about 207.7394651563.

The spelling of 8965139 in words is "eight million, nine hundred sixty-five thousand, one hundred thirty-nine".