130544891 has 2 divisors, whose sum is σ = 130544892. Its totient is φ = 130544890.

The previous prime is 130544873. The next prime is 130544957. The reversal of 130544891 is 198445031.

It is a weak prime.

It is an emirp because it is prime and its reverse (198445031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130544891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (130543891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65272445 + 65272446.

It is an arithmetic number, because the mean of its divisors is an integer number (65272446).

Almost surely, 2^130544891 is an apocalyptic number.

130544891 is a deficient number, since it is larger than the sum of its proper divisors (1).

130544891 is an equidigital number, since it uses as much as digits as its factorization.

130544891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 130544891 is about 11425.6243155462. The cubic root of 130544891 is about 507.2864864173.

The spelling of 130544891 in words is "one hundred thirty million, five hundred forty-four thousand, eight hundred ninety-one".