135845218 has 8 divisors (see below), whose sum is σ = 208737900. Its totient is φ = 66265920.

The previous prime is 135845209. The next prime is 135845233. The reversal of 135845218 is 812548531.

It can be written as a sum of positive squares in 2 ways, for example, as 120187369 + 15657849 = 10963^2 + 3957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828243 + ... + 828406.

Almost surely, 2^135845218 is an apocalyptic number.

135845218 is a deficient number, since it is larger than the sum of its proper divisors (72892682).

135845218 is a wasteful number, since it uses less digits than its factorization.

135845218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656692.

The product of its digits is 38400, while the sum is 37.

The square root of 135845218 is about 11655.2656769376. The cubic root of 135845218 is about 514.0611518637.

The spelling of 135845218 in words is "one hundred thirty-five million, eight hundred forty-five thousand, two hundred eighteen".