83459138 has 16 divisors (see below), whose sum is σ = 143378304. Its totient is φ = 35691840.

The previous prime is 83459119. The next prime is 83459141. The reversal of 83459138 is 83195438.

It is a junction number, because it is equal to n+sod(n) for n = 83459095 and 83459104.

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, 698 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (8961144).

Almost surely, 2^83459138 is an apocalyptic number.

83459138 is a deficient number, since it is larger than the sum of its proper divisors (59919166).

83459138 is a wasteful number, since it uses less digits than its factorization.

83459138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737.

The product of its digits is 103680, while the sum is 41.

The square root of 83459138 is about 9135.5972984803. The cubic root of 83459138 is about 437.0099228512.

The spelling of 83459138 in words is "eighty-three million, four hundred fifty-nine thousand, one hundred thirty-eight".