130530842 has 16 divisors (see below), whose sum is σ = 220026240. Its totient is φ = 57625392.

The previous prime is 130530823. The next prime is 130530847. The reversal of 130530842 is 248035031.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (130530847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108542 + ... + 109737.

It is an arithmetic number, because the mean of its divisors is an integer number (13751640).

Almost surely, 2^130530842 is an apocalyptic number.

130530842 is a deficient number, since it is larger than the sum of its proper divisors (89495398).

130530842 is a wasteful number, since it uses less digits than its factorization.

130530842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218317.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 130530842 is about 11425.0094967138. The cubic root of 130530842 is about 507.2682880196.

Adding to 130530842 its reverse (248035031), we get a palindrome (378565873).

The spelling of 130530842 in words is "one hundred thirty million, five hundred thirty thousand, eight hundred forty-two".