83144138 has 16 divisors (see below), whose sum is σ = 155490624. Its totient is φ = 32393760.

The previous prime is 83144111. The next prime is 83144147.

83144138 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269795 + ... + 270102.

It is an arithmetic number, because the mean of its divisors is an integer number (9718164).

Almost surely, 2^83144138 is an apocalyptic number.

83144138 is a deficient number, since it is larger than the sum of its proper divisors (72346486).

83144138 is a wasteful number, since it uses less digits than its factorization.

83144138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539917.

The product of its digits is 9216, while the sum is 32.

The square root of 83144138 is about 9118.3407481844. The cubic root of 83144138 is about 436.4594272001.

The spelling of 83144138 in words is "eighty-three million, one hundred forty-four thousand, one hundred thirty-eight".