65134238 has 8 divisors (see below), whose sum is σ = 105216888. Its totient is φ = 30061944.

The previous prime is 65134231. The next prime is 65134243. The reversal of 65134238 is 83243156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65134231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1252556 + ... + 1252607.

It is an arithmetic number, because the mean of its divisors is an integer number (13152111).

Almost surely, 2^65134238 is an apocalyptic number.

65134238 is a deficient number, since it is larger than the sum of its proper divisors (40082650).

65134238 is a wasteful number, since it uses less digits than its factorization.

65134238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505178.

The product of its digits is 17280, while the sum is 32.

The square root of 65134238 is about 8070.5785418395. The cubic root of 65134238 is about 402.3491722984.

The spelling of 65134238 in words is "sixty-five million, one hundred thirty-four thousand, two hundred thirty-eight".