130686842 has 32 divisors (see below), whose sum is σ = 231081984. Its totient is φ = 54648000.

The previous prime is 130686841. The next prime is 130686869. The reversal of 130686842 is 248686031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130686796 and 130686805.

It is not an unprimeable number, because it can be changed into a prime (130686841) 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 15 ways as a sum of consecutive naturals, for example, 112967 + ... + 114117.

It is an arithmetic number, because the mean of its divisors is an integer number (7221312).

Almost surely, 2^130686842 is an apocalyptic number.

130686842 is a deficient number, since it is larger than the sum of its proper divisors (100395142).

130686842 is a wasteful number, since it uses less digits than its factorization.

130686842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 130686842 is about 11431.8345859271. The cubic root of 130686842 is about 507.4702897019.

The spelling of 130686842 in words is "one hundred thirty million, six hundred eighty-six thousand, eight hundred forty-two".