1682139 has 8 divisors (see below), whose sum is σ = 2273872. Its totient is φ = 1105920.

The previous prime is 1682123. The next prime is 1682143. The reversal of 1682139 is 9312861.

1682139 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 1682139 - 2⁴ = 1682123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1682119) by changing a digit.

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, 3622 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (284234).

2^1682139 is an apocalyptic number.

1682139 is a deficient number, since it is larger than the sum of its proper divisors (591733).

1682139 is an equidigital number, since it uses as much as digits as its factorization.

1682139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757.

The product of its digits is 2592, while the sum is 30.

The square root of 1682139 is about 1296.9730143685. The cubic root of 1682139 is about 118.9288702337.

The spelling of 1682139 in words is "one million, six hundred eighty-two thousand, one hundred thirty-nine".