1389202116726 has 8 divisors (see below), whose sum is σ = 2778404233464. Its totient is φ = 463067372240.

The previous prime is 1389202116721. The next prime is 1389202116727. The reversal of 1389202116726 is 6276112029831.

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

1389202116726 is an admirable number.

It is a super-2 number, since 2×1389202116726² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389202116721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115766843055 + ... + 115766843066.

It is an arithmetic number, because the mean of its divisors is an integer number (347300529183).

Almost surely, 2^{1389202116726} is an apocalyptic number.

1389202116726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1389202116726 is a wasteful number, since it uses less digits than its factorization.

1389202116726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231533686126.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 1389202116726 in words is "one trillion, three hundred eighty-nine billion, two hundred two million, one hundred sixteen thousand, seven hundred twenty-six".