68813750132 has 24 divisors (see below), whose sum is σ = 124775834400. Its totient is φ = 33185518496.

The previous prime is 68813750129. The next prime is 68813750143. The reversal of 68813750132 is 23105731886.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2738282 + ... + 2763297.

It is an arithmetic number, because the mean of its divisors is an integer number (5198993100).

Almost surely, 2^68813750132 is an apocalyptic number.

It is an amenable number.

68813750132 is a deficient number, since it is larger than the sum of its proper divisors (55962084268).

68813750132 is a wasteful number, since it uses less digits than its factorization.

68813750132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501695 (or 5501693 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 68813750132 in words is "sixty-eight billion, eight hundred thirteen million, seven hundred fifty thousand, one hundred thirty-two".