6415136 has 48 divisors (see below), whose sum is σ = 15551424. Its totient is φ = 2536704.

The previous prime is 6415133. The next prime is 6415139. The reversal of 6415136 is 6315146.

It is an interprime number because it is at equal distance from previous prime (6415133) and next prime (6415139).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6415133) 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, 1811 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (323988).

Almost surely, 2^6415136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6415136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7775712).

6415136 is an abundant number, since it is smaller than the sum of its proper divisors (9136288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6415136 is a wasteful number, since it uses less digits than its factorization.

6415136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2225 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 6415136 is about 2532.8118761566. The cubic root of 6415136 is about 185.8098028795.

The spelling of 6415136 in words is "six million, four hundred fifteen thousand, one hundred thirty-six".