130546531 has 4 divisors (see below), whose sum is σ = 130972072. Its totient is φ = 130120992.

The previous prime is 130546523. The next prime is 130546543. The reversal of 130546531 is 135645031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135645031 = 2389 ⋅56779.

It is a cyclic number.

It is not a de Polignac number, because 130546531 - 2³ = 130546523 is a prime.

It is a super-2 number, since 2×130546531² = 34084793512267922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130546531.

It is not an unprimeable number, because it can be changed into a prime (130546561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212310 + ... + 212923.

It is an arithmetic number, because the mean of its divisors is an integer number (32743018).

Almost surely, 2^130546531 is an apocalyptic number.

130546531 is a deficient number, since it is larger than the sum of its proper divisors (425541).

130546531 is an equidigital number, since it uses as much as digits as its factorization.

130546531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425540.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 130546531 is about 11425.6960838279. The cubic root of 130546531 is about 507.2886107091.

The spelling of 130546531 in words is "one hundred thirty million, five hundred forty-six thousand, five hundred thirty-one".