130525344 has 120 divisors (see below), whose sum is σ = 394535988. Its totient is φ = 42301440.

The previous prime is 130525327. The next prime is 130525349. The reversal of 130525344 is 443525031.

130525344 is a `hidden beast` number, since 130 + 525 + 3 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130233744 + 291600 = 11412^2 + 540^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130525349) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 95224 + ... + 96584.

Almost surely, 2^130525344 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 130525344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197267994).

130525344 is an abundant number, since it is smaller than the sum of its proper divisors (264010644).

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

130525344 is a wasteful number, since it uses less digits than its factorization.

130525344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 130525344 is about 11424.7688816886. The cubic root of 130525344 is about 507.2611658198.

The spelling of 130525344 in words is "one hundred thirty million, five hundred twenty-five thousand, three hundred forty-four".