130365128 has 8 divisors (see below), whose sum is σ = 244434630. Its totient is φ = 65182560.

The previous prime is 130365101. The next prime is 130365149. The reversal of 130365128 is 821563031.

It can be written as a sum of positive squares in only one way, i.e., 112741924 + 17623204 = 10618^2 + 4198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 130365128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8147813 + ... + 8147828.

Almost surely, 2^130365128 is an apocalyptic number.

It is an amenable number.

130365128 is a deficient number, since it is larger than the sum of its proper divisors (114069502).

130365128 is a wasteful number, since it uses less digits than its factorization.

130365128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16295647 (or 16295643 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 130365128 is about 11417.7549456975. The cubic root of 130365128 is about 507.0535314813.

The spelling of 130365128 in words is "one hundred thirty million, three hundred sixty-five thousand, one hundred twenty-eight".