182205140 has 24 divisors (see below), whose sum is σ = 412064520. Its totient is φ = 67275648.

The previous prime is 182205139. The next prime is 182205143. The reversal of 182205140 is 41502281.

It can be written as a sum of positive squares in 4 ways, for example, as 21270544 + 160934596 = 4612^2 + 12686^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182205143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350135 + ... + 350654.

It is an arithmetic number, because the mean of its divisors is an integer number (17169355).

Almost surely, 2^182205140 is an apocalyptic number.

182205140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182205140 is an abundant number, since it is smaller than the sum of its proper divisors (229859380).

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

182205140 is a wasteful number, since it uses less digits than its factorization.

182205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700811 (or 700809 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 182205140 is about 13498.3384162644. The cubic root of 182205140 is about 566.9179500689.

The spelling of 182205140 in words is "one hundred eighty-two million, two hundred five thousand, one hundred forty".