6140709 has 12 divisors (see below), whose sum is σ = 8895276. Its totient is φ = 4082112.

The previous prime is 6140707. The next prime is 6140711. The reversal of 6140709 is 9070416.

It is an interprime number because it is at equal distance from previous prime (6140707) and next prime (6140711).

It can be written as a sum of positive squares in 2 ways, for example, as 5336100 + 804609 = 2310^2 + 897^2 .

It is not a de Polignac number, because 6140709 - 2¹ = 6140707 is a prime.

6140709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140707) 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 11 ways as a sum of consecutive naturals, for example, 3367 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (741273).

Almost surely, 2^6140709 is an apocalyptic number.

It is an amenable number.

6140709 is a deficient number, since it is larger than the sum of its proper divisors (2754567).

6140709 is a wasteful number, since it uses less digits than its factorization.

6140709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 6140709 is about 2478.0453990999. The cubic root of 6140709 is about 183.1215711053.

It can be divided in two parts, 6 and 140709, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 6140709 in words is "six million, one hundred forty thousand, seven hundred nine".