7412138 has 4 divisors (see below), whose sum is σ = 11118210. Its totient is φ = 3706068.

The previous prime is 7412123. The next prime is 7412159. The reversal of 7412138 is 8312147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6589489 + 822649 = 2567^2 + 907^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1853033 + ... + 1853036.

Almost surely, 2^7412138 is an apocalyptic number.

7412138 is a deficient number, since it is larger than the sum of its proper divisors (3706072).

7412138 is a wasteful number, since it uses less digits than its factorization.

7412138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706071.

The product of its digits is 1344, while the sum is 26.

The square root of 7412138 is about 2722.5241964030. The cubic root of 7412138 is about 194.9760040602.

Subtracting 7412138 from its reverse (8312147), we obtain a palindrome (900009).

The spelling of 7412138 in words is "seven million, four hundred twelve thousand, one hundred thirty-eight".