65120036 has 12 divisors (see below), whose sum is σ = 114042012. Its totient is φ = 32536608.

The previous prime is 65120009. The next prime is 65120039. The reversal of 65120036 is 63002156.

65120036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36966400 + 28153636 = 6080^2 + 5306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65119993 and 65120020.

It is not an unprimeable number, because it can be changed into a prime (65120039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (9503501).

Almost surely, 2^65120036 is an apocalyptic number.

It is an amenable number.

65120036 is a deficient number, since it is larger than the sum of its proper divisors (48921976).

65120036 is a wasteful number, since it uses less digits than its factorization.

65120036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710 (or 11708 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 65120036 is about 8069.6986312997. The cubic root of 65120036 is about 402.3199271657.

The spelling of 65120036 in words is "sixty-five million, one hundred twenty thousand, thirty-six".