65043030136 has 128 divisors (see below), whose sum is σ = 148025180160. Its totient is φ = 26192073600.

The previous prime is 65043030131. The next prime is 65043030139. The reversal of 65043030136 is 63103034056.

It is a junction number, because it is equal to n+sod(n) for n = 65043030098 and 65043030107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65043030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28439185 + ... + 28441471.

It is an arithmetic number, because the mean of its divisors is an integer number (1156446720).

Almost surely, 2^65043030136 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 65043030136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74012590080).

65043030136 is an abundant number, since it is smaller than the sum of its proper divisors (82982150024).

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

65043030136 is a wasteful number, since it uses less digits than its factorization.

65043030136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 65043030136 in words is "sixty-five billion, forty-three million, thirty thousand, one hundred thirty-six".