130391089 has 2 divisors, whose sum is σ = 130391090. Its totient is φ = 130391088.

The previous prime is 130391087. The next prime is 130391123. The reversal of 130391089 is 980193031.

It is an a-pointer prime, because the next prime (130391123) can be obtained adding 130391089 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 5130225 = 11192^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 130391089 - 2¹ = 130391087 is a prime.

Together with 130391087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130391081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65195544 + 65195545.

It is an arithmetic number, because the mean of its divisors is an integer number (65195545).

Almost surely, 2^130391089 is an apocalyptic number.

It is an amenable number.

130391089 is a deficient number, since it is larger than the sum of its proper divisors (1).

130391089 is an equidigital number, since it uses as much as digits as its factorization.

130391089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 130391089 is about 11418.8917588354. The cubic root of 130391089 is about 507.0871875754.

The spelling of 130391089 in words is "one hundred thirty million, three hundred ninety-one thousand, eighty-nine".