130521303450 has 96 divisors (see below), whose sum is σ = 368023022400. Its totient is φ = 33996231360.

The previous prime is 130521303449. The next prime is 130521303467. The reversal of 130521303450 is 54303125031.

130521303450 is a `hidden beast` number, since 1 + 30 + 52 + 130 + 3 + 450 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1066165 + ... + 1182264.

It is an arithmetic number, because the mean of its divisors is an integer number (3833573150).

Almost surely, 2^130521303450 is an apocalyptic number.

130521303450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130521303450 is an abundant number, since it is smaller than the sum of its proper divisors (237501718950).

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

130521303450 is a wasteful number, since it uses less digits than its factorization.

130521303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248493 (or 2248482 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 130521303450 its reverse (54303125031), we get a palindrome (184824428481).

The spelling of 130521303450 in words is "one hundred thirty billion, five hundred twenty-one million, three hundred three thousand, four hundred fifty".