7138267 has 4 divisors (see below), whose sum is σ = 7143696. Its totient is φ = 7132840.

The previous prime is 7138237. The next prime is 7138273. The reversal of 7138267 is 7628317.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7138267 - 2¹⁵ = 7105499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (1785924).

Almost surely, 2^7138267 is an apocalyptic number.

7138267 is a deficient number, since it is larger than the sum of its proper divisors (5429).

7138267 is a wasteful number, since it uses less digits than its factorization.

7138267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its digits is 14112, while the sum is 34.

The square root of 7138267 is about 2671.7535440231. The cubic root of 7138267 is about 192.5444165793.

The spelling of 7138267 in words is "seven million, one hundred thirty-eight thousand, two hundred sixty-seven".