7153138 has 12 divisors (see below), whose sum is σ = 11218158. Its totient is φ = 3420560.

The previous prime is 7153129. The next prime is 7153151. The reversal of 7153138 is 8313517.

It can be written as a sum of positive squares in only one way, i.e., 5184729 + 1968409 = 2277^2 + 1403^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2323 + ... + 4438.

Almost surely, 2^7153138 is an apocalyptic number.

7153138 is a deficient number, since it is larger than the sum of its proper divisors (4065020).

7153138 is a wasteful number, since it uses less digits than its factorization.

7153138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809 (or 6786 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 7153138 is about 2674.5350997884. The cubic root of 7153138 is about 192.6780317339.

The spelling of 7153138 in words is "seven million, one hundred fifty-three thousand, one hundred thirty-eight".