130550989 has 2 divisors, whose sum is σ = 130550990. Its totient is φ = 130550988.

The previous prime is 130550977. The next prime is 130550993. The reversal of 130550989 is 989055031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 39501225 = 9542^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 130550989 - 2¹¹ = 130548941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130550389) 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 as a sum of consecutive naturals, namely, 65275494 + 65275495.

It is an arithmetic number, because the mean of its divisors is an integer number (65275495).

Almost surely, 2^130550989 is an apocalyptic number.

It is an amenable number.

130550989 is a deficient number, since it is larger than the sum of its proper divisors (1).

130550989 is an equidigital number, since it uses as much as digits as its factorization.

130550989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 130550989 is about 11425.8911687448. The cubic root of 130550989 is about 507.2943850663.

The spelling of 130550989 in words is "one hundred thirty million, five hundred fifty thousand, nine hundred eighty-nine".