64135344 has 80 divisors (see below), whose sum is σ = 203931392. Its totient is φ = 16913664.

The previous prime is 64135321. The next prime is 64135361. The reversal of 64135344 is 44353146.

It is a super-2 number, since 2×64135344² = 8226684699996672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974 + ... + 11709.

Almost surely, 2^64135344 is an apocalyptic number.

It is an amenable number.

64135344 is an abundant number, since it is smaller than the sum of its proper divisors (139796048).

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

64135344 is a wasteful number, since it uses less digits than its factorization.

64135344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14714 (or 14708 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 64135344 is about 8008.4545325550. The cubic root of 64135344 is about 400.2817681369.

The spelling of 64135344 in words is "sixty-four million, one hundred thirty-five thousand, three hundred forty-four".