8742135 has 8 divisors (see below), whose sum is σ = 13987440. Its totient is φ = 4662464.

The previous prime is 8742133. The next prime is 8742157. The reversal of 8742135 is 5312478.

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

It is a cyclic number.

It is not a de Polignac number, because 8742135 - 2¹ = 8742133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742133) 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 7 ways as a sum of consecutive naturals, for example, 291390 + ... + 291419.

It is an arithmetic number, because the mean of its divisors is an integer number (1748430).

Almost surely, 2^8742135 is an apocalyptic number.

8742135 is a deficient number, since it is larger than the sum of its proper divisors (5245305).

8742135 is a wasteful number, since it uses less digits than its factorization.

8742135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582817.

The product of its digits is 6720, while the sum is 30.

The square root of 8742135 is about 2956.7101650314. The cubic root of 8742135 is about 206.0025057036.

The spelling of 8742135 in words is "eight million, seven hundred forty-two thousand, one hundred thirty-five".