65138182 has 8 divisors (see below), whose sum is σ = 98604000. Its totient is φ = 32270184.

The previous prime is 65138153. The next prime is 65138189. The reversal of 65138182 is 28183156.

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 (65138189) 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, 149182 + ... + 149617.

It is an arithmetic number, because the mean of its divisors is an integer number (12325500).

Almost surely, 2^65138182 is an apocalyptic number.

65138182 is a deficient number, since it is larger than the sum of its proper divisors (33465818).

65138182 is a wasteful number, since it uses less digits than its factorization.

65138182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298910.

The product of its digits is 11520, while the sum is 34.

The square root of 65138182 is about 8070.8228824575. The cubic root of 65138182 is about 402.3572931330.

The spelling of 65138182 in words is "sixty-five million, one hundred thirty-eight thousand, one hundred eighty-two".