130530072 has 16 divisors (see below), whose sum is σ = 326325240. Its totient is φ = 43510016.

The previous prime is 130530061. The next prime is 130530091. The reversal of 130530072 is 270035031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719353 + ... + 2719400.

Almost surely, 2^130530072 is an apocalyptic number.

130530072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130530072 is an abundant number, since it is smaller than the sum of its proper divisors (195795168).

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

130530072 is a wasteful number, since it uses less digits than its factorization.

130530072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438762 (or 5438758 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 130530072 is about 11424.9757986615. The cubic root of 130530072 is about 507.2672905610.

The spelling of 130530072 in words is "one hundred thirty million, five hundred thirty thousand, seventy-two".