65134443 has 16 divisors (see below), whose sum is σ = 95584896. Its totient is φ = 39123840.

The previous prime is 65134439. The next prime is 65134457. The reversal of 65134443 is 34443156.

It is not a de Polignac number, because 65134443 - 2² = 65134439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65134443.

It is not an unprimeable number, because it can be changed into a prime (65134423) 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, 5005 + ... + 12462.

It is an arithmetic number, because the mean of its divisors is an integer number (5974056).

Almost surely, 2^65134443 is an apocalyptic number.

65134443 is a deficient number, since it is larger than the sum of its proper divisors (30450453).

65134443 is a wasteful number, since it uses less digits than its factorization.

65134443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17594.

The product of its digits is 17280, while the sum is 30.

The square root of 65134443 is about 8070.5912422821. The cubic root of 65134443 is about 402.3495944087.

Adding to 65134443 its reverse (34443156), we get a palindrome (99577599).

The spelling of 65134443 in words is "sixty-five million, one hundred thirty-four thousand, four hundred forty-three".