130658989 has 2 divisors, whose sum is σ = 130658990. Its totient is φ = 130658988.

The previous prime is 130658987. The next prime is 130658999. The reversal of 130658989 is 989856031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125216100 + 5442889 = 11190^2 + 2333^2 .

It is a cyclic number.

It is not a de Polignac number, because 130658989 - 2¹ = 130658987 is a prime.

Together with 130658987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130658987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65329494 + 65329495.

It is an arithmetic number, because the mean of its divisors is an integer number (65329495).

Almost surely, 2^130658989 is an apocalyptic number.

It is an amenable number.

130658989 is a deficient number, since it is larger than the sum of its proper divisors (1).

130658989 is an equidigital number, since it uses as much as digits as its factorization.

130658989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 130658989 is about 11430.6163000951. The cubic root of 130658989 is about 507.4342351304.

The spelling of 130658989 in words is "one hundred thirty million, six hundred fifty-eight thousand, nine hundred eighty-nine".