182199139 has 4 divisors (see below), whose sum is σ = 185287320. Its totient is φ = 179110960.

The previous prime is 182199091. The next prime is 182199161. The reversal of 182199139 is 931991281.

182199139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931991281 = 13 ⋅71691637.

It is a cyclic number.

It is not a de Polignac number, because 182199139 - 2⁷ = 182199011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 182199095 and 182199104.

It is not an unprimeable number, because it can be changed into a prime (182199439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544002 + ... + 1544119.

It is an arithmetic number, because the mean of its divisors is an integer number (46321830).

Almost surely, 2^182199139 is an apocalyptic number.

182199139 is a deficient number, since it is larger than the sum of its proper divisors (3088181).

182199139 is an equidigital number, since it uses as much as digits as its factorization.

182199139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088180.

The product of its digits is 34992, while the sum is 43.

The square root of 182199139 is about 13498.1161278158. The cubic root of 182199139 is about 566.9117261099.

The spelling of 182199139 in words is "one hundred eighty-two million, one hundred ninety-nine thousand, one hundred thirty-nine".