68134740148 has 12 divisors (see below), whose sum is σ = 119710840032. Its totient is φ = 33931643000.

The previous prime is 68134740143. The next prime is 68134740203. The reversal of 68134740148 is 84104743186.

It is a junction number, because it is equal to n+sod(n) for n = 68134740098 and 68134740107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68134740143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33930640 + ... + 33932647.

It is an arithmetic number, because the mean of its divisors is an integer number (9975903336).

Almost surely, 2^68134740148 is an apocalyptic number.

It is an amenable number.

68134740148 is a deficient number, since it is larger than the sum of its proper divisors (51576099884).

68134740148 is a wasteful number, since it uses less digits than its factorization.

68134740148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67863542 (or 67863540 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 68134740148 in words is "sixty-eight billion, one hundred thirty-four million, seven hundred forty thousand, one hundred forty-eight".