65135008 has 24 divisors (see below), whose sum is σ = 129376548. Its totient is φ = 32277504.

The previous prime is 65134961. The next prime is 65135009. The reversal of 65135008 is 80053156.

It can be written as a sum of positive squares in 2 ways, for example, as 64834704 + 300304 = 8052^2 + 548^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65135009) 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, 5391 + ... + 12622.

Almost surely, 2^65135008 is an apocalyptic number.

It is an amenable number.

65135008 is a deficient number, since it is larger than the sum of its proper divisors (64241540).

65135008 is a wasteful number, since it uses less digits than its factorization.

65135008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136 (or 18128 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 65135008 is about 8070.6262458374. The cubic root of 65135008 is about 402.3507577812.

The spelling of 65135008 in words is "sixty-five million, one hundred thirty-five thousand, eight".