130551424 has 48 divisors (see below), whose sum is σ = 265468770. Its totient is φ = 63950336.

The previous prime is 130551419. The next prime is 130551431. The reversal of 130551424 is 424155031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 50126400 = 8968^2 + 7080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445422 + ... + 445714.

Almost surely, 2^130551424 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 130551424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132734385).

130551424 is an abundant number, since it is smaller than the sum of its proper divisors (134917346).

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

130551424 is an frugal number, since it uses more digits than its factorization.

130551424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 130551424 is about 11425.9102044432. The cubic root of 130551424 is about 507.2949485060.

The spelling of 130551424 in words is "one hundred thirty million, five hundred fifty-one thousand, four hundred twenty-four".