65134368 has 120 divisors (see below), whose sum is σ = 206400348. Its totient is φ = 20030976.

The previous prime is 65134357. The next prime is 65134387. The reversal of 65134368 is 86343156.

It can be written as a sum of positive squares in 2 ways, for example, as 64448784 + 685584 = 8028^2 + 828^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32730 + ... + 34662.

Almost surely, 2^65134368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65134368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103200174).

65134368 is an abundant number, since it is smaller than the sum of its proper divisors (141265980).

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

65134368 is a wasteful number, since it uses less digits than its factorization.

65134368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1951 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 65134368 is about 8070.5865957810. The cubic root of 65134368 is about 402.3494399782.

The spelling of 65134368 in words is "sixty-five million, one hundred thirty-four thousand, three hundred sixty-eight".