130531426 has 8 divisors (see below), whose sum is σ = 195855660. Its totient is φ = 65246208.

The previous prime is 130531409. The next prime is 130531433. The reversal of 130531426 is 624135031.

It can be written as a sum of positive squares in 2 ways, for example, as 104060401 + 26471025 = 10201^2 + 5145^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 130531426.

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, 970 + ... + 16186.

Almost surely, 2^130531426 is an apocalyptic number.

130531426 is a deficient number, since it is larger than the sum of its proper divisors (65324234).

130531426 is a wasteful number, since it uses less digits than its factorization.

130531426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130531426 is about 11425.0350546508. The cubic root of 130531426 is about 507.2690445311.

Adding to 130531426 its reverse (624135031), we get a palindrome (754666457).

The spelling of 130531426 in words is "one hundred thirty million, five hundred thirty-one thousand, four hundred twenty-six".