65442136 has 16 divisors (see below), whose sum is σ = 123127200. Its totient is φ = 32608224.

The previous prime is 65442127. The next prime is 65442149. The reversal of 65442136 is 63124456.

65442136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65442098 and 65442107.

It is a congruent number.

It is an unprimeable number.

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, 11616 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (7695450).

Almost surely, 2^65442136 is an apocalyptic number.

It is an amenable number.

65442136 is a deficient number, since it is larger than the sum of its proper divisors (57685064).

65442136 is a wasteful number, since it uses less digits than its factorization.

65442136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28218 (or 28214 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 65442136 is about 8089.6313883885. The cubic root of 65442136 is about 402.9821615290.

The spelling of 65442136 in words is "sixty-five million, four hundred forty-two thousand, one hundred thirty-six".