180740089 has 4 divisors (see below), whose sum is σ = 180777856. Its totient is φ = 180702324.

The previous prime is 180740083. The next prime is 180740101. The reversal of 180740089 is 980047081.

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: 980047081 = 13 ⋅75388237.

It is a cyclic number.

It is not a de Polignac number, because 180740089 - 2³ = 180740081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180740081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10449 + ... + 21694.

It is an arithmetic number, because the mean of its divisors is an integer number (45194464).

Almost surely, 2^180740089 is an apocalyptic number.

It is an amenable number.

180740089 is a deficient number, since it is larger than the sum of its proper divisors (37767).

180740089 is an equidigital number, since it uses as much as digits as its factorization.

180740089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37766.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 180740089 is about 13443.9610606398. The cubic root of 180740089 is about 565.3943929710.

The spelling of 180740089 in words is "one hundred eighty million, seven hundred forty thousand, eighty-nine".