180469138 has 8 divisors (see below), whose sum is σ = 270834480. Its totient is φ = 90190980.

The previous prime is 180469103. The next prime is 180469147. The reversal of 180469138 is 831964081.

180469138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 180469138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16348 + ... + 25063.

It is an arithmetic number, because the mean of its divisors is an integer number (33854310).

Almost surely, 2^180469138 is an apocalyptic number.

180469138 is a deficient number, since it is larger than the sum of its proper divisors (90365342).

180469138 is a wasteful number, since it uses less digits than its factorization.

180469138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43592.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 180469138 is about 13433.8802287351. The cubic root of 180469138 is about 565.1117204089. Note that the first 3 decimals are identical.

The spelling of 180469138 in words is "one hundred eighty million, four hundred sixty-nine thousand, one hundred thirty-eight".