65135488 has 32 divisors (see below), whose sum is σ = 141561720. Its totient is φ = 29606400.

The previous prime is 65135461. The next prime is 65135507. The reversal of 65135488 is 88453156.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65135488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723 + ... + 24538.

Almost surely, 2^65135488 is an apocalyptic number.

It is an amenable number.

65135488 is an abundant number, since it is smaller than the sum of its proper divisors (76426232).

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

65135488 is a wasteful number, since it uses less digits than its factorization.

65135488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46286 (or 46274 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 65135488 is about 8070.6559832519. The cubic root of 65135488 is about 402.3517461278.

The spelling of 65135488 in words is "sixty-five million, one hundred thirty-five thousand, four hundred eighty-eight".