2138495 has 8 divisors (see below), whose sum is σ = 2597616. Its totient is φ = 1689856.

The previous prime is 2138491. The next prime is 2138501. The reversal of 2138495 is 5948312.

2138495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2138495 - 2² = 2138491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (324702).

2^2138495 is an apocalyptic number.

2138495 is a deficient number, since it is larger than the sum of its proper divisors (459121).

2138495 is an equidigital number, since it uses as much as digits as its factorization.

2138495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241.

The product of its digits is 8640, while the sum is 32.

The square root of 2138495 is about 1462.3593949505. The cubic root of 2138495 is about 128.8356579577.

The spelling of 2138495 in words is "two million, one hundred thirty-eight thousand, four hundred ninety-five".