7136385 has 8 divisors (see below), whose sum is σ = 11418240. Its totient is φ = 3806064.

The previous prime is 7136383. The next prime is 7136401. The reversal of 7136385 is 5836317.

It is a happy number.

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

It is not a de Polignac number, because 7136385 - 2¹ = 7136383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7136383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237865 + ... + 237894.

It is an arithmetic number, because the mean of its divisors is an integer number (1427280).

Almost surely, 2^7136385 is an apocalyptic number.

It is an amenable number.

7136385 is a deficient number, since it is larger than the sum of its proper divisors (4281855).

7136385 is a wasteful number, since it uses less digits than its factorization.

7136385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475767.

The product of its digits is 15120, while the sum is 33.

The square root of 7136385 is about 2671.4013176608. The cubic root of 7136385 is about 192.5274936837.

The spelling of 7136385 in words is "seven million, one hundred thirty-six thousand, three hundred eighty-five".