7107138 has 24 divisors (see below), whose sum is σ = 16069248. Its totient is φ = 2265912.

The previous prime is 7107137. The next prime is 7107157. The reversal of 7107138 is 8317017.

It is a super-2 number, since 2×7107138² = 101022821102088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7107131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8170 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (669552).

Almost surely, 2^7107138 is an apocalyptic number.

7107138 is an abundant number, since it is smaller than the sum of its proper divisors (8962110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7107138 is a wasteful number, since it uses less digits than its factorization.

7107138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17198 (or 17195 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 7107138 is about 2665.9216042487. The cubic root of 7107138 is about 192.2641221744.

The spelling of 7107138 in words is "seven million, one hundred seven thousand, one hundred thirty-eight".