7003138 has 16 divisors (see below), whose sum is σ = 10907064. Its totient is φ = 3369600.

The previous prime is 7003127. The next prime is 7003163. The reversal of 7003138 is 8313007.

It can be written as a sum of positive squares in 4 ways, for example, as 6848689 + 154449 = 2617^2 + 393^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7006 + ... + 7942.

Almost surely, 2^7003138 is an apocalyptic number.

7003138 is a deficient number, since it is larger than the sum of its proper divisors (3903926).

7003138 is a wasteful number, since it uses less digits than its factorization.

7003138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7003138 is about 2646.3442708763. The cubic root of 7003138 is about 191.3216986643.

The spelling of 7003138 in words is "seven million, three thousand, one hundred thirty-eight".