7938135 has 32 divisors (see below), whose sum is σ = 14254080. Its totient is φ = 4191264.

The previous prime is 7938127. The next prime is 7938149. The reversal of 7938135 is 5318397.

It is not a de Polignac number, because 7938135 - 2³ = 7938127 is a prime.

7938135 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7938135.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 16914 + ... + 17376.

It is an arithmetic number, because the mean of its divisors is an integer number (445440).

Almost surely, 2^7938135 is an apocalyptic number.

7938135 is a deficient number, since it is larger than the sum of its proper divisors (6315945).

7938135 is a wasteful number, since it uses less digits than its factorization.

7938135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 598 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7938135 is about 2817.4696094191. The cubic root of 7938135 is about 199.4831236784.

The spelling of 7938135 in words is "seven million, nine hundred thirty-eight thousand, one hundred thirty-five".