64480136 has 16 divisors (see below), whose sum is σ = 138171840. Its totient is φ = 27634320.

The previous prime is 64480121. The next prime is 64480139. The reversal of 64480136 is 63108446.

It is not an unprimeable number, because it can be changed into a prime (64480139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575660 + ... + 575771.

It is an arithmetic number, because the mean of its divisors is an integer number (8635740).

Almost surely, 2^64480136 is an apocalyptic number.

It is an amenable number.

64480136 is an abundant number, since it is smaller than the sum of its proper divisors (73691704).

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

64480136 is a wasteful number, since it uses less digits than its factorization.

64480136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151444 (or 1151440 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 64480136 is about 8029.9524282526. The cubic root of 64480136 is about 400.9977922901.

The spelling of 64480136 in words is "sixty-four million, four hundred eighty thousand, one hundred thirty-six".