9073139 has 4 divisors (see below), whose sum is σ = 9079224. Its totient is φ = 9067056.

The previous prime is 9073117. The next prime is 9073147. The reversal of 9073139 is 9313709.

It is a happy number.

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 9073139 - 2²⁰ = 8024563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9073199) 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 3 ways as a sum of consecutive naturals, for example, 884 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (2269806).

Almost surely, 2^9073139 is an apocalyptic number.

9073139 is a deficient number, since it is larger than the sum of its proper divisors (6085).

9073139 is a wasteful number, since it uses less digits than its factorization.

9073139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 9073139 is about 3012.1651681141. The cubic root of 9073139 is about 208.5703267105.

The spelling of 9073139 in words is "nine million, seventy-three thousand, one hundred thirty-nine".