65964134 has 8 divisors (see below), whose sum is σ = 99114840. Its totient is φ = 32925856.

The previous prime is 65964103. The next prime is 65964139. The reversal of 65964134 is 43146956.

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 (65964139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26624 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (12389355).

Almost surely, 2^65964134 is an apocalyptic number.

65964134 is a deficient number, since it is larger than the sum of its proper divisors (33150706).

65964134 is a wasteful number, since it uses less digits than its factorization.

65964134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56214.

The product of its digits is 77760, while the sum is 38.

The square root of 65964134 is about 8121.8307049581. The cubic root of 65964134 is about 404.0507852048.

The spelling of 65964134 in words is "sixty-five million, nine hundred sixty-four thousand, one hundred thirty-four".