7138147 has 8 divisors (see below), whose sum is σ = 7819200. Its totient is φ = 6486144.

The previous prime is 7138123. The next prime is 7138169. The reversal of 7138147 is 7418317.

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

It is a cyclic number.

It is not a de Polignac number, because 7138147 - 2¹¹ = 7136099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138177) 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, 6747 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (977400).

Almost surely, 2^7138147 is an apocalyptic number.

7138147 is a deficient number, since it is larger than the sum of its proper divisors (681053).

7138147 is a wasteful number, since it uses less digits than its factorization.

7138147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525.

The product of its digits is 4704, while the sum is 31.

The square root of 7138147 is about 2671.7310867675. The cubic root of 7138147 is about 192.5433376312.

The spelling of 7138147 in words is "seven million, one hundred thirty-eight thousand, one hundred forty-seven".