1213068135 has 8 divisors (see below), whose sum is σ = 1940909040. Its totient is φ = 646969664.

The previous prime is 1213068113. The next prime is 1213068163. The reversal of 1213068135 is 5318603121.

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 1213068135 - 2⁶ = 1213068071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40435590 + ... + 40435619.

It is an arithmetic number, because the mean of its divisors is an integer number (242613630).

Almost surely, 2^1213068135 is an apocalyptic number.

1213068135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213068135 is a deficient number, since it is larger than the sum of its proper divisors (727840905).

1213068135 is an equidigital number, since it uses as much as digits as its factorization.

1213068135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80871217.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1213068135 is about 34829.1276807215. The cubic root of 1213068135 is about 1066.5021409113.

The spelling of 1213068135 in words is "one billion, two hundred thirteen million, sixty-eight thousand, one hundred thirty-five".