7105138 has 8 divisors (see below), whose sum is σ = 11001600. Its totient is φ = 3437940.

The previous prime is 7105129. The next prime is 7105141. The reversal of 7105138 is 8315017.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57238 + ... + 57361.

It is an arithmetic number, because the mean of its divisors is an integer number (1375200).

Almost surely, 2^7105138 is an apocalyptic number.

7105138 is a deficient number, since it is larger than the sum of its proper divisors (3896462).

7105138 is a wasteful number, since it uses less digits than its factorization.

7105138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114632.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7105138 is about 2665.5464730520. The cubic root of 7105138 is about 192.2460856446.

The spelling of 7105138 in words is "seven million, one hundred five thousand, one hundred thirty-eight".