1389139355127 has 16 divisors (see below), whose sum is σ = 1872068857568. Its totient is φ = 916204400640.

The previous prime is 1389139355113. The next prime is 1389139355161. The reversal of 1389139355127 is 7215539319831.

It is not a de Polignac number, because 1389139355127 - 2⁴ = 1389139355111 is a prime.

It is a super-2 number, since 2×1389139355127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389139355327) 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 15 ways as a sum of consecutive naturals, for example, 6522838 + ... + 6732435.

It is an arithmetic number, because the mean of its divisors is an integer number (117004303598).

Almost surely, 2^{1389139355127} is an apocalyptic number.

1389139355127 is a deficient number, since it is larger than the sum of its proper divisors (482929502441).

1389139355127 is a wasteful number, since it uses less digits than its factorization.

1389139355127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255650.

The product of its digits is 6123600, while the sum is 57.

The spelling of 1389139355127 in words is "one trillion, three hundred eighty-nine billion, one hundred thirty-nine million, three hundred fifty-five thousand, one hundred twenty-seven".