7136638 has 8 divisors (see below), whose sum is σ = 10789632. Its totient is φ = 3540096.

The previous prime is 7136627. The next prime is 7136659. The reversal of 7136638 is 8366317.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13795 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (1348704).

Almost surely, 2^7136638 is an apocalyptic number.

7136638 is a deficient number, since it is larger than the sum of its proper divisors (3652994).

7136638 is a wasteful number, since it uses less digits than its factorization.

7136638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28226.

The product of its digits is 18144, while the sum is 34.

The square root of 7136638 is about 2671.4486706654. The cubic root of 7136638 is about 192.5297688262.

The spelling of 7136638 in words is "seven million, one hundred thirty-six thousand, six hundred thirty-eight".