7268138 has 8 divisors (see below), whose sum is σ = 11376288. Its totient is φ = 3476044.

The previous prime is 7268119. The next prime is 7268141. The reversal of 7268138 is 8318627.

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

It is a junction number, because it is equal to n+sod(n) for n = 7268098 and 7268107.

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, 78956 + ... + 79047.

It is an arithmetic number, because the mean of its divisors is an integer number (1422036).

Almost surely, 2^7268138 is an apocalyptic number.

7268138 is a deficient number, since it is larger than the sum of its proper divisors (4108150).

7268138 is a wasteful number, since it uses less digits than its factorization.

7268138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158028.

The product of its digits is 16128, while the sum is 35.

The square root of 7268138 is about 2695.9484416435. The cubic root of 7268138 is about 193.7050998279.

The spelling of 7268138 in words is "seven million, two hundred sixty-eight thousand, one hundred thirty-eight".