65134636 has 24 divisors (see below), whose sum is σ = 130457376. Its totient is φ = 27874560.

The previous prime is 65134613. The next prime is 65134639. The reversal of 65134636 is 63643156.

It is not an unprimeable number, because it can be changed into a prime (65134639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26166 + ... + 28546.

It is an arithmetic number, because the mean of its divisors is an integer number (5435724).

Almost surely, 2^65134636 is an apocalyptic number.

It is an amenable number.

65134636 is an abundant number, since it is smaller than the sum of its proper divisors (65322740).

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

65134636 is a wasteful number, since it uses less digits than its factorization.

65134636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3367 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 65134636 is about 8070.6031992658. The cubic root of 65134636 is about 402.3499918093.

The spelling of 65134636 in words is "sixty-five million, one hundred thirty-four thousand, six hundred thirty-six".