68136610140732 has 96 divisors (see below), whose sum is σ = 191790469588480. Its totient is φ = 18442992062592.

The previous prime is 68136610140721. The next prime is 68136610140737. The reversal of 68136610140732 is 23704101663186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68136610140737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58554193 + ... + 59706504.

Almost surely, 2^{68136610140732} is an apocalyptic number.

It is an amenable number.

68136610140732 is an abundant number, since it is smaller than the sum of its proper divisors (123653859447748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68136610140732 is a wasteful number, since it uses less digits than its factorization.

68136610140732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118260768 (or 118260728 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 68136610140732 in words is "sixty-eight trillion, one hundred thirty-six billion, six hundred ten million, one hundred forty thousand, seven hundred thirty-two".