7138606 has 8 divisors (see below), whose sum is σ = 11337840. Its totient is φ = 3359328.

The previous prime is 7138603. The next prime is 7138613. The reversal of 7138606 is 6068317.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104946 + ... + 105013.

It is an arithmetic number, because the mean of its divisors is an integer number (1417230).

Almost surely, 2^7138606 is an apocalyptic number.

7138606 is a deficient number, since it is larger than the sum of its proper divisors (4199234).

7138606 is a wasteful number, since it uses less digits than its factorization.

7138606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209978.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7138606 is about 2671.8169847503. The cubic root of 7138606 is about 192.5474645424.

It can be divided in two parts, 7138 and 606, that added together give a square (7744 = 88²).

The spelling of 7138606 in words is "seven million, one hundred thirty-eight thousand, six hundred six".