65130130 has 16 divisors (see below), whose sum is σ = 126252504. Its totient is φ = 24048000.

The previous prime is 65130083. The next prime is 65130133. The reversal of 65130130 is 3103156.

It can be written as a sum of positive squares in 4 ways, for example, as 16088121 + 49042009 = 4011^2 + 7003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65130098 and 65130107.

It is not an unprimeable number, because it can be changed into a prime (65130133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250371 + ... + 250630.

Almost surely, 2^65130130 is an apocalyptic number.

65130130 is a deficient number, since it is larger than the sum of its proper divisors (61122374).

65130130 is a wasteful number, since it uses less digits than its factorization.

65130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501021.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 65130130 is about 8070.3240331476. The cubic root of 65130130 is about 402.3407134336.

Adding to 65130130 its reverse (3103156), we get a palindrome (68233286).

The spelling of 65130130 in words is "sixty-five million, one hundred thirty thousand, one hundred thirty".