130071028 has 6 divisors (see below), whose sum is σ = 227624306. Its totient is φ = 65035512.

The previous prime is 130070989. The next prime is 130071037. The reversal of 130071028 is 820170031.

It can be written as a sum of positive squares in only one way, i.e., 104284944 + 25786084 = 10212^2 + 5078^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16258875 + ... + 16258882.

Almost surely, 2^130071028 is an apocalyptic number.

It is an amenable number.

130071028 is a deficient number, since it is larger than the sum of its proper divisors (97553278).

130071028 is a wasteful number, since it uses less digits than its factorization.

130071028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32517761 (or 32517759 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 130071028 is about 11404.8686095018. The cubic root of 130071028 is about 506.6719449666.

The spelling of 130071028 in words is "one hundred thirty million, seventy-one thousand, twenty-eight".