180109338 has 16 divisors (see below), whose sum is σ = 360667296. Its totient is φ = 59961680.

The previous prime is 180109283. The next prime is 180109399. The reversal of 180109338 is 833901081.

It is a junction number, because it is equal to n+sod(n) for n = 180109299 and 180109308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13356 + ... + 23207.

It is an arithmetic number, because the mean of its divisors is an integer number (22541706).

Almost surely, 2^180109338 is an apocalyptic number.

180109338 is an abundant number, since it is smaller than the sum of its proper divisors (180557958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180109338 is a wasteful number, since it uses less digits than its factorization.

180109338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37389.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 180109338 is about 13420.4820330717. The cubic root of 180109338 is about 564.7359175189.

The spelling of 180109338 in words is "one hundred eighty million, one hundred nine thousand, three hundred thirty-eight".