65134080 has 240 divisors, whose sum is σ = 247042224. Its totient is φ = 15728640.

The previous prime is 65134079. The next prime is 65134081. The reversal of 65134080 is 8043156.

65134080 is a `hidden beast` number, since 651 + 3 + 4 + 0 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (65134079) and next prime (65134081).

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65134081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253312 + ... + 253568.

Almost surely, 2^65134080 is an apocalyptic number.

65134080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65134080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123521112).

65134080 is an abundant number, since it is smaller than the sum of its proper divisors (181908144).

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

65134080 is a wasteful number, since it uses less digits than its factorization.

65134080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65134080 is about 8070.5687531921. The cubic root of 65134080 is about 402.3488469641.

The spelling of 65134080 in words is "sixty-five million, one hundred thirty-four thousand, eighty".