67135105 has 8 divisors (see below), whose sum is σ = 80854632. Its totient is φ = 53513088.

The previous prime is 67135099. The next prime is 67135109. The reversal of 67135105 is 50153176.

It can be written as a sum of positive squares in 4 ways, for example, as 2686321 + 64448784 = 1639^2 + 8028^2 .

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 67135105 - 2⁹ = 67134593 is a prime.

It is a super-2 number, since 2×67135105² = 9014244646722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67135109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22852 + ... + 25621.

It is an arithmetic number, because the mean of its divisors is an integer number (10106829).

Almost surely, 2^67135105 is an apocalyptic number.

It is an amenable number.

67135105 is a deficient number, since it is larger than the sum of its proper divisors (13719527).

67135105 is a wasteful number, since it uses less digits than its factorization.

67135105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48755.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 67135105 is about 8193.6014669985. The cubic root of 67135105 is about 406.4276294617.

The spelling of 67135105 in words is "sixty-seven million, one hundred thirty-five thousand, one hundred five".