13120280089 has 4 divisors (see below), whose sum is σ = 14994605824. Its totient is φ = 11245954356.

The previous prime is 13120280081. The next prime is 13120280093. The reversal of 13120280089 is 98008202131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98008202131 = 7 ⋅14001171733.

It is not a de Polignac number, because 13120280089 - 2³ = 13120280081 is a prime.

It is a super-2 number, since 2×13120280089² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120280081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937162857 + ... + 937162870.

It is an arithmetic number, because the mean of its divisors is an integer number (3748651456).

Almost surely, 2^13120280089 is an apocalyptic number.

It is an amenable number.

13120280089 is a deficient number, since it is larger than the sum of its proper divisors (1874325735).

13120280089 is an equidigital number, since it uses as much as digits as its factorization.

13120280089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874325734.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 13120280089 in words is "thirteen billion, one hundred twenty million, two hundred eighty thousand, eighty-nine".