182392138 has 4 divisors (see below), whose sum is σ = 273588210. Its totient is φ = 91196068.

The previous prime is 182392123. The next prime is 182392219. The reversal of 182392138 is 831293281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120187369 + 62204769 = 10963^2 + 7887^2 .

It is a super-2 number, since 2×182392138² = 66533784008422088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 182392097 and 182392106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45598033 + ... + 45598036.

Almost surely, 2^182392138 is an apocalyptic number.

182392138 is a deficient number, since it is larger than the sum of its proper divisors (91196072).

182392138 is an equidigital number, since it uses as much as digits as its factorization.

182392138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91196071.

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

The square root of 182392138 is about 13505.2633443410. The cubic root of 182392138 is about 567.1118272860. Note that the first 3 decimals are identical.

It can be divided in two parts, 1823 and 92138, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 182392138 in words is "one hundred eighty-two million, three hundred ninety-two thousand, one hundred thirty-eight".