65134442 has 4 divisors (see below), whose sum is σ = 97701666. Its totient is φ = 32567220.

The previous prime is 65134439. The next prime is 65134457. The reversal of 65134442 is 24443156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 27447121 = 6139^2 + 5239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16283609 + ... + 16283612.

Almost surely, 2^65134442 is an apocalyptic number.

65134442 is a deficient number, since it is larger than the sum of its proper divisors (32567224).

65134442 is a wasteful number, since it uses less digits than its factorization.

65134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32567223.

The product of its digits is 11520, while the sum is 29.

The square root of 65134442 is about 8070.5911803287. The cubic root of 65134442 is about 402.3495923496.

Adding to 65134442 its reverse (24443156), we get a palindrome (89577598).

The spelling of 65134442 in words is "sixty-five million, one hundred thirty-four thousand, four hundred forty-two".