182474109 has 6 divisors (see below), whose sum is σ = 263573726. Its totient is φ = 121649400.

The previous prime is 182474101. The next prime is 182474137. The reversal of 182474109 is 901474281.

182474109 is a `hidden beast` number, since 1 + 82 + 474 + 109 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135070884 + 47403225 = 11622^2 + 6885^2 .

It is not a de Polignac number, because 182474109 - 2³ = 182474101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182474101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10137442 + ... + 10137459.

Almost surely, 2^182474109 is an apocalyptic number.

It is an amenable number.

182474109 is a deficient number, since it is larger than the sum of its proper divisors (81099617).

182474109 is a wasteful number, since it uses less digits than its factorization.

182474109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20274907 (or 20274904 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 182474109 is about 13508.2977832146. The cubic root of 182474109 is about 567.1967720316.

The spelling of 182474109 in words is "one hundred eighty-two million, four hundred seventy-four thousand, one hundred nine".