8969139 has 6 divisors (see below), whose sum is σ = 12955436. Its totient is φ = 5979420.

The previous prime is 8969131. The next prime is 8969143. The reversal of 8969139 is 9319698.

It is not a de Polignac number, because 8969139 - 2³ = 8969131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8969094 and 8969103.

It is not an unprimeable number, because it can be changed into a prime (8969131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498277 + ... + 498294.

Almost surely, 2^8969139 is an apocalyptic number.

8969139 is a deficient number, since it is larger than the sum of its proper divisors (3986297).

8969139 is a wasteful number, since it uses less digits than its factorization.

8969139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996577 (or 996574 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 8969139 is about 2994.8520831587. The cubic root of 8969139 is about 207.7703564530.

The spelling of 8969139 in words is "eight million, nine hundred sixty-nine thousand, one hundred thirty-nine".