134219789 has 8 divisors (see below), whose sum is σ = 152788032. Its totient is φ = 116712640.

The previous prime is 134219759. The next prime is 134219807. The reversal of 134219789 is 987912431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134219789 - 2¹² = 134215693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134219719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265004 + ... + 265509.

It is an arithmetic number, because the mean of its divisors is an integer number (19098504).

Almost surely, 2^134219789 is an apocalyptic number.

It is an amenable number.

134219789 is a deficient number, since it is larger than the sum of its proper divisors (18568243).

134219789 is a wasteful number, since it uses less digits than its factorization.

134219789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530547.

The product of its digits is 108864, while the sum is 44.

The square root of 134219789 is about 11585.3264520254. The cubic root of 134219789 is about 512.0026206836.

The spelling of 134219789 in words is "one hundred thirty-four million, two hundred nineteen thousand, seven hundred eighty-nine".