83134643138 has 8 divisors (see below), whose sum is σ = 124745287680. Its totient is φ = 41552880580.

The previous prime is 83134643117. The next prime is 83134643147.

83134643138 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×83134643138² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7213298 + ... + 7224813.

It is an arithmetic number, because the mean of its divisors is an integer number (15593160960).

Almost surely, 2^83134643138 is an apocalyptic number.

83134643138 is a deficient number, since it is larger than the sum of its proper divisors (41610644542).

83134643138 is a wasteful number, since it uses less digits than its factorization.

83134643138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440992.

The product of its digits is 497664, while the sum is 44.

The spelling of 83134643138 in words is "eighty-three billion, one hundred thirty-four million, six hundred forty-three thousand, one hundred thirty-eight".