184930138 has 4 divisors (see below), whose sum is σ = 277395210. Its totient is φ = 92465068.

The previous prime is 184930111. The next prime is 184930147. The reversal of 184930138 is 831039481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831039481 = 2111 ⋅393671.

It can be written as a sum of positive squares in only one way, i.e., 133564249 + 51365889 = 11557^2 + 7167^2 .

It is a junction number, because it is equal to n+sod(n) for n = 184930097 and 184930106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46232533 + ... + 46232536.

Almost surely, 2^184930138 is an apocalyptic number.

184930138 is a deficient number, since it is larger than the sum of its proper divisors (92465072).

184930138 is an equidigital number, since it uses as much as digits as its factorization.

184930138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92465071.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 184930138 is about 13598.9020880364. The cubic root of 184930138 is about 569.7301872715.

The spelling of 184930138 in words is "one hundred eighty-four million, nine hundred thirty thousand, one hundred thirty-eight".