65108140 has 24 divisors (see below), whose sum is σ = 137338992. Its totient is φ = 25926720.

The previous prime is 65108129. The next prime is 65108159. The reversal of 65108140 is 4180156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2631 + ... + 11710.

It is an arithmetic number, because the mean of its divisors is an integer number (5722458).

Almost surely, 2^65108140 is an apocalyptic number.

It is an amenable number.

65108140 is an abundant number, since it is smaller than the sum of its proper divisors (72230852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65108140 is a wasteful number, since it uses less digits than its factorization.

65108140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 65108140 is about 8068.9615193035. The cubic root of 65108140 is about 402.2954273363.

Adding to 65108140 its reverse (4180156), we get a palindrome (69288296).

The spelling of 65108140 in words is "sixty-five million, one hundred eight thousand, one hundred forty".