83134389 has 8 divisors (see below), whose sum is σ = 119372512. Its totient is φ = 51159600.

The previous prime is 83134379. The next prime is 83134391. The reversal of 83134389 is 98343138.

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

It is not a de Polignac number, because 83134389 - 2⁹ = 83133877 is a prime.

It is a super-2 number, since 2×83134389² = 13822653268806642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2131651 = 83134389 / (8 + 3 + 1 + 3 + 4 + 3 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83134319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065787 + ... + 1065864.

It is an arithmetic number, because the mean of its divisors is an integer number (14921564).

Almost surely, 2^83134389 is an apocalyptic number.

It is an amenable number.

83134389 is a deficient number, since it is larger than the sum of its proper divisors (36238123).

83134389 is a wasteful number, since it uses less digits than its factorization.

83134389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131667.

The product of its digits is 62208, while the sum is 39.

The square root of 83134389 is about 9117.8061506044. The cubic root of 83134389 is about 436.4423676319.

The spelling of 83134389 in words is "eighty-three million, one hundred thirty-four thousand, three hundred eighty-nine".