65114140 has 144 divisors (see below), whose sum is σ = 180986400. Its totient is φ = 19450368.

The previous prime is 65114123. The next prime is 65114177. The reversal of 65114140 is 4141156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241926 + ... + 242194.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^65114140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65114140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90493200).

65114140 is an abundant number, since it is smaller than the sum of its proper divisors (115872260).

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

65114140 is a wasteful number, since it uses less digits than its factorization.

65114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 65114140 is about 8069.3333057942. Note that the first 4 decimals coincide. The cubic root of 65114140 is about 402.3077847181.

Adding to 65114140 its reverse (4141156), we get a palindrome (69255296).

The spelling of 65114140 in words is "sixty-five million, one hundred fourteen thousand, one hundred forty".