9140039 has 8 divisors (see below), whose sum is σ = 9580032. Its totient is φ = 8703640.

The previous prime is 9140029. The next prime is 9140059. The reversal of 9140039 is 9300419.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9140039 - 2⁸ = 9139783 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140029) 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, 5294 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504).

Almost surely, 2^9140039 is an apocalyptic number.

9140039 is a deficient number, since it is larger than the sum of its proper divisors (439993).

9140039 is a wasteful number, since it uses less digits than its factorization.

9140039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9140039 is about 3023.2497415860. The cubic root of 9140039 is about 209.0816969591.

The spelling of 9140039 in words is "nine million, one hundred forty thousand, thirty-nine".