130019489 has 4 divisors (see below), whose sum is σ = 136862640. Its totient is φ = 123176340.

The previous prime is 130019447. The next prime is 130019501. The reversal of 130019489 is 984910031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984910031 = 7 ⋅140701433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130019489 is a prime.

It is a super-2 number, since 2×130019489² = 33810135039642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130019419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421547 + ... + 3421584.

It is an arithmetic number, because the mean of its divisors is an integer number (34215660).

Almost surely, 2^130019489 is an apocalyptic number.

130019489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130019489 is a deficient number, since it is larger than the sum of its proper divisors (6843151).

130019489 is an equidigital number, since it uses as much as digits as its factorization.

130019489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843150.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 130019489 is about 11402.6088681494. The cubic root of 130019489 is about 506.6050153421.

The spelling of 130019489 in words is "one hundred thirty million, nineteen thousand, four hundred eighty-nine".