6140009 has 8 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 5696320.

The previous prime is 6139999. The next prime is 6140023. The reversal of 6140009 is 9000416.

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 6140009 - 2⁴ = 6139993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6140909) 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, 1337 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (824256).

Almost surely, 2^6140009 is an apocalyptic number.

It is an amenable number.

6140009 is a deficient number, since it is larger than the sum of its proper divisors (454039).

6140009 is a wasteful number, since it uses less digits than its factorization.

6140009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6140009 is about 2477.9041547243. The cubic root of 6140009 is about 183.1146126270.

The spelling of 6140009 in words is "six million, one hundred forty thousand, nine".