130628136 has 64 divisors (see below), whose sum is σ = 348641280. Its totient is φ = 40642560.

The previous prime is 130628129. The next prime is 130628149. The reversal of 130628136 is 631826031.

130628136 = 2764² + 2765² + ... + 2780².

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50556 + ... + 53076.

It is an arithmetic number, because the mean of its divisors is an integer number (5447520).

Almost surely, 2^130628136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130628136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174320640).

130628136 is an abundant number, since it is smaller than the sum of its proper divisors (218013144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130628136 is a wasteful number, since it uses less digits than its factorization.

130628136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 130628136 is about 11429.2666431403. The cubic root of 130628136 is about 507.3942911995.

The spelling of 130628136 in words is "one hundred thirty million, six hundred twenty-eight thousand, one hundred thirty-six".