130554531 has 32 divisors (see below), whose sum is σ = 198195200. Its totient is φ = 84913920.

The previous prime is 130554527. The next prime is 130554533. The reversal of 130554531 is 135455031.

It is not a de Polignac number, because 130554531 - 2² = 130554527 is a prime.

It is a super-2 number, since 2×130554531² = 34088971129259922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 130554495 and 130554504.

It is not an unprimeable number, because it can be changed into a prime (130554533) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 206586 + ... + 207216.

It is an arithmetic number, because the mean of its divisors is an integer number (6193600).

Almost surely, 2^130554531 is an apocalyptic number.

130554531 is a deficient number, since it is larger than the sum of its proper divisors (67640669).

130554531 is an equidigital number, since it uses as much as digits as its factorization.

130554531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 130554531 is about 11426.0461665442. The cubic root of 130554531 is about 507.2989728535.

The spelling of 130554531 in words is "one hundred thirty million, five hundred fifty-four thousand, five hundred thirty-one".