6490136 has 32 divisors (see below), whose sum is σ = 12761280. Its totient is φ = 3091200.

The previous prime is 6490123. The next prime is 6490139. The reversal of 6490136 is 6310946.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6490099 and 6490108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15206 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (398790).

Almost surely, 2^6490136 is an apocalyptic number.

It is an amenable number.

6490136 is a deficient number, since it is larger than the sum of its proper divisors (6271144).

6490136 is a wasteful number, since it uses less digits than its factorization.

6490136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6490136 is about 2547.5745327664. The cubic root of 6490136 is about 186.5311062261.

The spelling of 6490136 in words is "six million, four hundred ninety thousand, one hundred thirty-six".