130531450 has 48 divisors (see below), whose sum is σ = 279446400. Its totient is φ = 44435520.

The previous prime is 130531439. The next prime is 130531451. The reversal of 130531450 is 54135031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130531451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50899 + ... + 53401.

It is an arithmetic number, because the mean of its divisors is an integer number (5821800).

Almost surely, 2^130531450 is an apocalyptic number.

130531450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130531450 is an abundant number, since it is smaller than the sum of its proper divisors (148914950).

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

130531450 is a wasteful number, since it uses less digits than its factorization.

130531450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130531450 is about 11425.0361049758. The cubic root of 130531450 is about 507.2690756205.

Adding to 130531450 its reverse (54135031), we get a palindrome (184666481).

The spelling of 130531450 in words is "one hundred thirty million, five hundred thirty-one thousand, four hundred fifty".