1129318135688 has 36 divisors (see below), whose sum is σ = 2127658908645. Its totient is φ = 561955393920.

The previous prime is 1129318135667. The next prime is 1129318135697. The reversal of 1129318135688 is 8865318139211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1052310775684 + 77007360004 = 1025822^2 + 277502^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=751438.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 724385453 + ... + 724387011.

Almost surely, 2^{1129318135688} is an apocalyptic number.

It is an amenable number.

1129318135688 is a deficient number, since it is larger than the sum of its proper divisors (998340772957).

1129318135688 is an frugal number, since it uses more digits than its factorization.

1129318135688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 1802 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 56.

The spelling of 1129318135688 in words is "one trillion, one hundred twenty-nine billion, three hundred eighteen million, one hundred thirty-five thousand, six hundred eighty-eight".