65105130 has 48 divisors (see below), whose sum is σ = 160280352. Its totient is φ = 16924800.

The previous prime is 65105119. The next prime is 65105137. The reversal of 65105130 is 3150156.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65105097 and 65105106.

It is not an unprimeable number, because it can be changed into a prime (65105137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49785 + ... + 51075.

It is an arithmetic number, because the mean of its divisors is an integer number (3339174).

Almost surely, 2^65105130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65105130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80140176).

65105130 is an abundant number, since it is smaller than the sum of its proper divisors (95175222).

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

65105130 is a wasteful number, since it uses less digits than its factorization.

65105130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 65105130 is about 8068.7749999613. The cubic root of 65105130 is about 402.2892277639.

Adding to 65105130 its reverse (3150156), we get a palindrome (68255286).

The spelling of 65105130 in words is "sixty-five million, one hundred five thousand, one hundred thirty".