2138452 has 12 divisors (see below), whose sum is σ = 3843700. Its totient is φ = 1040256.

The previous prime is 2138429. The next prime is 2138467. The reversal of 2138452 is 2548312.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 104976 = 1426^2 + 324^2 .

It is a congruent number.

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, 7077 + ... + 7372.

2^2138452 is an apocalyptic number.

It is an amenable number.

2138452 is a deficient number, since it is larger than the sum of its proper divisors (1705248).

2138452 is a wasteful number, since it uses less digits than its factorization.

2138452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490 (or 14488 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2138452 is about 1462.3446926084. The cubic root of 2138452 is about 128.8347944267.

The spelling of 2138452 in words is "two million, one hundred thirty-eight thousand, four hundred fifty-two".