2139682 has 8 divisors (see below), whose sum is σ = 3313152. Its totient is φ = 1035300.

The previous prime is 2139677. The next prime is 2139691. The reversal of 2139682 is 2869312.

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

It is a super-2 number, since 2×2139682² = 9156478122248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17194 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (414144).

2^2139682 is an apocalyptic number.

2139682 is a deficient number, since it is larger than the sum of its proper divisors (1173470).

2139682 is a wasteful number, since it uses less digits than its factorization.

2139682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34544.

The product of its digits is 5184, while the sum is 31.

The square root of 2139682 is about 1462.7651896323. The cubic root of 2139682 is about 128.8594908620.

The spelling of 2139682 in words is "two million, one hundred thirty-nine thousand, six hundred eighty-two".