1138986207089 has 4 divisors (see below), whose sum is σ = 1163219956224. Its totient is φ = 1114752457956.

The previous prime is 1138986207083. The next prime is 1138986207119. The reversal of 1138986207089 is 9807026898311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1138986207089 - 2²⁰ = 1138985158513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138986207083) 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, 12116874497 + ... + 12116874590.

It is an arithmetic number, because the mean of its divisors is an integer number (290804989056).

Almost surely, 2^{1138986207089} is an apocalyptic number.

It is an amenable number.

1138986207089 is a deficient number, since it is larger than the sum of its proper divisors (24233749135).

1138986207089 is an equidigital number, since it uses as much as digits as its factorization.

1138986207089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24233749134.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 1138986207089 in words is "one trillion, one hundred thirty-eight billion, nine hundred eighty-six million, two hundred seven thousand, eighty-nine".