68134851 has 20 divisors (see below), whose sum is σ = 102026232. Its totient is φ = 45314208.

The previous prime is 68134849. The next prime is 68134877. The reversal of 68134851 is 15843186.

It is not a de Polignac number, because 68134851 - 2¹ = 68134849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68134811) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46831 + ... + 48263.

Almost surely, 2^68134851 is an apocalyptic number.

68134851 is a deficient number, since it is larger than the sum of its proper divisors (33891381).

68134851 is a wasteful number, since it uses less digits than its factorization.

68134851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2023 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68134851 is about 8254.3837444112. The cubic root of 68134851 is about 408.4351434413.

It can be divided in two parts, 6813 and 4851, that added together give a square (11664 = 108²).

The spelling of 68134851 in words is "sixty-eight million, one hundred thirty-four thousand, eight hundred fifty-one".