130630437 has 48 divisors (see below), whose sum is σ = 222423552. Its totient is φ = 72334080.

The previous prime is 130630433. The next prime is 130630457. The reversal of 130630437 is 734036031.

It is a happy number.

It is not a de Polignac number, because 130630437 - 2² = 130630433 is a prime.

It is a super-2 number, since 2×130630437² = 34128622141621938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130630437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130630433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464737 + ... + 465017.

It is an arithmetic number, because the mean of its divisors is an integer number (4633824).

Almost surely, 2^130630437 is an apocalyptic number.

It is an amenable number.

130630437 is a deficient number, since it is larger than the sum of its proper divisors (91793115).

130630437 is a wasteful number, since it uses less digits than its factorization.

130630437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 130630437 is about 11429.3673053236. The cubic root of 130630437 is about 507.3972704132.

Adding to 130630437 its reverse (734036031), we get a palindrome (864666468).

The spelling of 130630437 in words is "one hundred thirty million, six hundred thirty thousand, four hundred thirty-seven".