130637 has 6 divisors (see below), whose sum is σ = 141642. Its totient is φ = 120432.

The previous prime is 130633. The next prime is 130639. The reversal of 130637 is 736031.

It can be written as a sum of positive squares in 3 ways, for example, as 8836 + 121801 = 94^2 + 349^2 .

It is not a de Polignac number, because 130637 - 2² = 130633 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218 + ... + 555.

It is an arithmetic number, because the mean of its divisors is an integer number (23607).

2¹³⁰⁶³⁷ is an apocalyptic number.

It is an amenable number.

130637 is a deficient number, since it is larger than the sum of its proper divisors (11005).

130637 is an equidigital number, since it uses as much as digits as its factorization.

130637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 130637 is about 361.4374081359. The cubic root of 130637 is about 50.7405767648.

Adding to 130637 its reverse (736031), we get a palindrome (866668).

It can be divided in two parts, 130 and 637, that added together give a palindrome (767).

The spelling of 130637 in words is "one hundred thirty thousand, six hundred thirty-seven".