82980138 has 16 divisors (see below), whose sum is σ = 166150080. Its totient is φ = 27628416.

The previous prime is 82980127. The next prime is 82980151. The reversal of 82980138 is 83108928.

It is a junction number, because it is equal to n+sod(n) for n = 82980096 and 82980105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (10384380).

Almost surely, 2^82980138 is an apocalyptic number.

82980138 is an abundant number, since it is smaller than the sum of its proper divisors (83169942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82980138 is a wasteful number, since it uses less digits than its factorization.

82980138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 82980138 is about 9109.3434450568. The cubic root of 82980138 is about 436.1722694107.

The spelling of 82980138 in words is "eighty-two million, nine hundred eighty thousand, one hundred thirty-eight".