68129101133 has 8 divisors (see below), whose sum is σ = 68649675960. Its totient is φ = 67608864000.

The previous prime is 68129101127. The next prime is 68129101151. The reversal of 68129101133 is 33110192186.

It can be written as a sum of positive squares in 4 ways, for example, as 23346923209 + 44782177924 = 152797^2 + 211618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68129101133 - 2¹⁸ = 68128838989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68129101093 and 68129101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68129101123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328283 + ... + 493991.

It is an arithmetic number, because the mean of its divisors is an integer number (8581209495).

Almost surely, 2^68129101133 is an apocalyptic number.

It is an amenable number.

68129101133 is a deficient number, since it is larger than the sum of its proper divisors (520574827).

68129101133 is a wasteful number, since it uses less digits than its factorization.

68129101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168847.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 68129101133 in words is "sixty-eight billion, one hundred twenty-nine million, one hundred one thousand, one hundred thirty-three".