8435138 has 12 divisors (see below), whose sum is σ = 12959478. Its totient is φ = 4117680.

The previous prime is 8435129. The next prime is 8435159. The reversal of 8435138 is 8315348.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 1555009 = 2623^2 + 1247^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2558 + ... + 4838.

Almost surely, 2^8435138 is an apocalyptic number.

8435138 is a deficient number, since it is larger than the sum of its proper divisors (4524340).

8435138 is a wasteful number, since it uses less digits than its factorization.

8435138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2326 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 8435138 is about 2904.3309040121. The cubic root of 8435138 is about 203.5623225697.

It can be divided in two parts, 843 and 5138, that multiplied together give a palindrome (4331334).

The spelling of 8435138 in words is "eight million, four hundred thirty-five thousand, one hundred thirty-eight".