134319198889 has 4 divisors (see below), whose sum is σ = 135022440960. Its totient is φ = 133615956820.

The previous prime is 134319198847. The next prime is 134319198907. The reversal of 134319198889 is 988891913431.

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: 988891913431 = 486527 ⋅2032553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134319198889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134319198889.

It is not an unprimeable number, because it can be changed into a prime (134319198589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351620749 + ... + 351621130.

It is an arithmetic number, because the mean of its divisors is an integer number (33755610240).

Almost surely, 2^134319198889 is an apocalyptic number.

It is an amenable number.

134319198889 is a deficient number, since it is larger than the sum of its proper divisors (703242071).

134319198889 is an equidigital number, since it uses as much as digits as its factorization.

134319198889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703242070.

The product of its digits is 13436928, while the sum is 64.

The spelling of 134319198889 in words is "one hundred thirty-four billion, three hundred nineteen million, one hundred ninety-eight thousand, eight hundred eighty-nine".