182109330 has 128 divisors (see below), whose sum is σ = 527788800. Its totient is φ = 44680896.

The previous prime is 182109329. The next prime is 182109337. The reversal of 182109330 is 33901281.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 182109294 and 182109303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182109337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 593037 + ... + 593343.

It is an arithmetic number, because the mean of its divisors is an integer number (4123350).

Almost surely, 2^182109330 is an apocalyptic number.

182109330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 182109330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263894400).

182109330 is an abundant number, since it is smaller than the sum of its proper divisors (345679470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

182109330 is a wasteful number, since it uses less digits than its factorization.

182109330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 182109330 is about 13494.7889942748. The cubic root of 182109330 is about 566.8185640470.

The spelling of 182109330 in words is "one hundred eighty-two million, one hundred nine thousand, three hundred thirty".