65136000 has 256 divisors, whose sum is σ = 229132800. Its totient is φ = 16332800.

The previous prime is 65135999. The next prime is 65136007. The reversal of 65136000 is 63156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65136007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1103971 + ... + 1104029.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 2^65136000 is an apocalyptic number.

65136000 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 65136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114566400).

65136000 is an abundant number, since it is smaller than the sum of its proper divisors (163996800).

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

65136000 is a wasteful number, since it uses less digits than its factorization.

65136000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 65136000 is about 8070.6877030399. The cubic root of 65136000 is about 402.3528003588.

Adding to 65136000 its reverse (63156), we get a palindrome (65199156).

The spelling of 65136000 in words is "sixty-five million, one hundred thirty-six thousand".