130636261937 has 8 divisors (see below), whose sum is σ = 131084209704. Its totient is φ = 130188509568.

The previous prime is 130636261933. The next prime is 130636261963. The reversal of 130636261937 is 739162636031.

It can be written as a sum of positive squares in 4 ways, for example, as 61716736 + 130574545201 = 7856^2 + 361351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130636261937 - 2² = 130636261933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130636261891 and 130636261900.

It is not an unprimeable number, because it can be changed into a prime (130636261933) 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, 1359863 + ... + 1452755.

It is an arithmetic number, because the mean of its divisors is an integer number (16385526213).

Almost surely, 2^130636261937 is an apocalyptic number.

It is an amenable number.

130636261937 is a deficient number, since it is larger than the sum of its proper divisors (447947767).

130636261937 is an equidigital number, since it uses as much as digits as its factorization.

130636261937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97699.

The product of its (nonzero) digits is 734832, while the sum is 47.

Adding to 130636261937 its reverse (739162636031), we get a palindrome (869798897968).

The spelling of 130636261937 in words is "one hundred thirty billion, six hundred thirty-six million, two hundred sixty-one thousand, nine hundred thirty-seven".