130891589 has 4 divisors (see below), whose sum is σ = 137780640. Its totient is φ = 124002540.

The previous prime is 130891577. The next prime is 130891601. The reversal of 130891589 is 985198031.

It is a happy number.

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: 985198031 = 23 ⋅42834697.

It is an interprime number because it is at equal distance from previous prime (130891577) and next prime (130891601).

It is a cyclic number.

It is not a de Polignac number, because 130891589 - 2⁴ = 130891573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130891549) 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, 3444497 + ... + 3444534.

It is an arithmetic number, because the mean of its divisors is an integer number (34445160).

Almost surely, 2^130891589 is an apocalyptic number.

130891589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

130891589 is a deficient number, since it is larger than the sum of its proper divisors (6889051).

130891589 is an equidigital number, since it uses as much as digits as its factorization.

130891589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889050.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 130891589 is about 11440.7862055018. The cubic root of 130891589 is about 507.7351692246.

The spelling of 130891589 in words is "one hundred thirty million, eight hundred ninety-one thousand, five hundred eighty-nine".