65000136 has 64 divisors (see below), whose sum is σ = 170971200. Its totient is φ = 20563200.

The previous prime is 65000119. The next prime is 65000137. The reversal of 65000136 is 63100056.

It is not an unprimeable number, because it can be changed into a prime (65000137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41691 + ... + 43221.

It is an arithmetic number, because the mean of its divisors is an integer number (2671425).

Almost surely, 2^65000136 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 65000136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85485600).

65000136 is an abundant number, since it is smaller than the sum of its proper divisors (105971064).

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

65000136 is a wasteful number, since it uses less digits than its factorization.

65000136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1626 counting only the distinct ones).

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

The square root of 65000136 is about 8062.2661826561. The cubic root of 65000136 is about 402.0728562786.

The spelling of 65000136 in words is "sixty-five million, one hundred thirty-six", and thus it is an aban number.