7138616 has 16 divisors (see below), whose sum is σ = 13413600. Its totient is φ = 3561664.

The previous prime is 7138613. The next prime is 7138619. The reversal of 7138616 is 6168317.

It is an interprime number because it is at equal distance from previous prime (7138613) and next prime (7138619).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5921 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (838350).

Almost surely, 2^7138616 is an apocalyptic number.

It is an amenable number.

7138616 is a deficient number, since it is larger than the sum of its proper divisors (6274984).

7138616 is a wasteful number, since it uses less digits than its factorization.

7138616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1914 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 7138616 is about 2671.8188561353. The cubic root of 7138616 is about 192.5475544514.

Subtracting from 7138616 its reverse (6168317), we obtain a cube (970299 = 99³).

The spelling of 7138616 in words is "seven million, one hundred thirty-eight thousand, six hundred sixteen".