7101138 has 32 divisors (see below), whose sum is σ = 16407360. Its totient is φ = 2024960.

The previous prime is 7101137. The next prime is 7101161. The reversal of 7101138 is 8311017.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7101137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2043 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (512730).

Almost surely, 2^7101138 is an apocalyptic number.

7101138 is an abundant number, since it is smaller than the sum of its proper divisors (9306222).

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

7101138 is a wasteful number, since it uses less digits than its factorization.

7101138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 7101138 is about 2664.7960522336. The cubic root of 7101138 is about 192.2100024283.

The spelling of 7101138 in words is "seven million, one hundred one thousand, one hundred thirty-eight".