1138420713023 has 16 divisors (see below), whose sum is σ = 1275536115744. Its totient is φ = 1006911596160.

The previous prime is 1138420713013. The next prime is 1138420713061. The reversal of 1138420713023 is 3203170248311.

It is a happy number.

It is a Cunningham number, because it is equal to 1066968²-1.

It is a cyclic number.

It is not a de Polignac number, because 1138420713023 - 2¹⁰ = 1138420711999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138420713013) 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 15 ways as a sum of consecutive naturals, for example, 11688161 + ... + 11785157.

It is an arithmetic number, because the mean of its divisors is an integer number (79721007234).

Almost surely, 2^{1138420713023} is an apocalyptic number.

1138420713023 is a deficient number, since it is larger than the sum of its proper divisors (137115402721).

1138420713023 is a wasteful number, since it uses less digits than its factorization.

1138420713023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125882.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1138420713023 in words is "one trillion, one hundred thirty-eight billion, four hundred twenty million, seven hundred thirteen thousand, twenty-three".