64328136 has 32 divisors (see below), whose sum is σ = 170281440. Its totient is φ = 20181248.

The previous prime is 64328093. The next prime is 64328137. The reversal of 64328136 is 63182346.

64328136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64328097 and 64328106.

It is not an unprimeable number, because it can be changed into a prime (64328137) 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 7 ways as a sum of consecutive naturals, for example, 78426 + ... + 79241.

It is an arithmetic number, because the mean of its divisors is an integer number (5321295).

Almost surely, 2^64328136 is an apocalyptic number.

It is an amenable number.

64328136 is an abundant number, since it is smaller than the sum of its proper divisors (105953304).

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

64328136 is a wasteful number, since it uses less digits than its factorization.

64328136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157693 (or 157689 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 64328136 is about 8020.4822797635. The cubic root of 64328136 is about 400.6824516538.

The spelling of 64328136 in words is "sixty-four million, three hundred twenty-eight thousand, one hundred thirty-six".