130313636 has 24 divisors (see below), whose sum is σ = 242045496. Its totient is φ = 61176320.

The previous prime is 130313633. The next prime is 130313639. The reversal of 130313636 is 636313031.

It is an interprime number because it is at equal distance from previous prime (130313633) and next prime (130313639).

It can be written as a sum of positive squares in 4 ways, for example, as 22278400 + 108035236 = 4720^2 + 10394^2 .

It is not an unprimeable number, because it can be changed into a prime (130313633) 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, 29270 + ... + 33426.

It is an arithmetic number, because the mean of its divisors is an integer number (10085229).

Almost surely, 2^130313636 is an apocalyptic number.

It is an amenable number.

130313636 is a deficient number, since it is larger than the sum of its proper divisors (111731860).

130313636 is a wasteful number, since it uses less digits than its factorization.

130313636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 130313636 is about 11415.4998138496. The cubic root of 130313636 is about 506.9867635269.

Adding to 130313636 its reverse (636313031), we get a palindrome (766626667).

The spelling of 130313636 in words is "one hundred thirty million, three hundred thirteen thousand, six hundred thirty-six".