9139969 has 4 divisors (see below), whose sum is σ = 9621040. Its totient is φ = 8658900.

The previous prime is 9139943. The next prime is 9139973. The reversal of 9139969 is 9699319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9139969 - 2⁷ = 9139841 is a prime.

It is a super-2 number, since 2×9139969² = 167078066641922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9139069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240507 + ... + 240544.

It is an arithmetic number, because the mean of its divisors is an integer number (2405260).

Almost surely, 2^9139969 is an apocalyptic number.

It is an amenable number.

9139969 is a deficient number, since it is larger than the sum of its proper divisors (481071).

9139969 is a wasteful number, since it uses less digits than its factorization.

9139969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481070.

The product of its digits is 118098, while the sum is 46.

The square root of 9139969 is about 3023.2381646175. The cubic root of 9139969 is about 209.0811631993.

The spelling of 9139969 in words is "nine million, one hundred thirty-nine thousand, nine hundred sixty-nine".