68810135 has 32 divisors (see below), whose sum is σ = 92886912. Its totient is φ = 48660480.

The previous prime is 68810129. The next prime is 68810167. The reversal of 68810135 is 53101886.

It is a de Polignac number, because none of the positive numbers 2^k-68810135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118967 + ... + 119543.

It is an arithmetic number, because the mean of its divisors is an integer number (2902716).

Almost surely, 2^68810135 is an apocalyptic number.

68810135 is a deficient number, since it is larger than the sum of its proper divisors (24076777).

68810135 is a wasteful number, since it uses less digits than its factorization.

68810135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 68810135 is about 8295.1874602085. The cubic root of 68810135 is about 409.7800426368.

The spelling of 68810135 in words is "sixty-eight million, eight hundred ten thousand, one hundred thirty-five".