68548135 has 4 divisors (see below), whose sum is σ = 82257768. Its totient is φ = 54838504.

The previous prime is 68548121. The next prime is 68548171. The reversal of 68548135 is 53184586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68548135 - 2⁹ = 68547623 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6854809 + ... + 6854818.

It is an arithmetic number, because the mean of its divisors is an integer number (20564442).

Almost surely, 2^68548135 is an apocalyptic number.

68548135 is a deficient number, since it is larger than the sum of its proper divisors (13709633).

68548135 is a wasteful number, since it uses less digits than its factorization.

68548135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709632.

The product of its digits is 115200, while the sum is 40.

The square root of 68548135 is about 8279.3801096459. The cubic root of 68548135 is about 409.2592912305.

The spelling of 68548135 in words is "sixty-eight million, five hundred forty-eight thousand, one hundred thirty-five".