2137642 has 8 divisors (see below), whose sum is σ = 3453156. Its totient is φ = 986592.

The previous prime is 2137637. The next prime is 2137669. The reversal of 2137642 is 2467312.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 450241 = 1299^2 + 671^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41083 + ... + 41134.

2^2137642 is an apocalyptic number.

2137642 is a deficient number, since it is larger than the sum of its proper divisors (1315514).

2137642 is a wasteful number, since it uses less digits than its factorization.

2137642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82232.

The product of its digits is 2016, while the sum is 25.

The square root of 2137642 is about 1462.0677138902. The cubic root of 2137642 is about 128.8185257485.

The spelling of 2137642 in words is "two million, one hundred thirty-seven thousand, six hundred forty-two".