130550642 has 8 divisors (see below), whose sum is σ = 200602332. Its totient is φ = 63683200.

The previous prime is 130550621. The next prime is 130550659. The reversal of 130550642 is 246055031.

It can be written as a sum of positive squares in 2 ways, for example, as 89321401 + 41229241 = 9451^2 + 6421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130550642² = 34086940253224328, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 795959 + ... + 796122.

Almost surely, 2^130550642 is an apocalyptic number.

130550642 is a deficient number, since it is larger than the sum of its proper divisors (70051690).

130550642 is a wasteful number, since it uses less digits than its factorization.

130550642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592124.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 130550642 is about 11425.8759839235. The cubic root of 130550642 is about 507.2939356089.

The spelling of 130550642 in words is "one hundred thirty million, five hundred fifty thousand, six hundred forty-two".