7043138 has 16 divisors (see below), whose sum is σ = 11142144. Its totient is φ = 3334080.

The previous prime is 7043137. The next prime is 7043147. The reversal of 7043138 is 8313407.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7043137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (696384).

Almost surely, 2^7043138 is an apocalyptic number.

7043138 is a deficient number, since it is larger than the sum of its proper divisors (4099006).

7043138 is a wasteful number, since it uses less digits than its factorization.

7043138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7043138 is about 2653.8911055279. The cubic root of 7043138 is about 191.6852663319.

The spelling of 7043138 in words is "seven million, forty-three thousand, one hundred thirty-eight".