1268752871138 has 8 divisors (see below), whose sum is σ = 2003294007120. Its totient is φ = 600988202100.

The previous prime is 1268752871129. The next prime is 1268752871147. The reversal of 1268752871138 is 8311782578621.

It is an interprime number because it is at equal distance from previous prime (1268752871129) and next prime (1268752871147).

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

It is a super-3 number, since 3×1268752871138³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16694116688 + ... + 16694116763.

It is an arithmetic number, because the mean of its divisors is an integer number (250411750890).

Almost surely, 2^{1268752871138} is an apocalyptic number.

1268752871138 is a deficient number, since it is larger than the sum of its proper divisors (734541135982).

1268752871138 is a wasteful number, since it uses less digits than its factorization.

1268752871138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33388233472.

The product of its digits is 9031680, while the sum is 59.

The spelling of 1268752871138 in words is "one trillion, two hundred sixty-eight billion, seven hundred fifty-two million, eight hundred seventy-one thousand, one hundred thirty-eight".