9002139 has 8 divisors (see below), whose sum is σ = 12056640. Its totient is φ = 5974536.

The previous prime is 9002113. The next prime is 9002171. The reversal of 9002139 is 9312009.

It is a happy number.

9002139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9002139 - 2⁵ = 9002107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9002339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (1507080).

Almost surely, 2^9002139 is an apocalyptic number.

9002139 is a deficient number, since it is larger than the sum of its proper divisors (3054501).

9002139 is a wasteful number, since it uses less digits than its factorization.

9002139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9002139 is about 3000.3564788205. The cubic root of 9002139 is about 208.0248598862.

The spelling of 9002139 in words is "nine million, two thousand, one hundred thirty-nine".