7100139 has 8 divisors (see below), whose sum is σ = 9504720. Its totient is φ = 4714496.

The previous prime is 7100131. The next prime is 7100141. The reversal of 7100139 is 9310017.

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

It is a cyclic number.

It is not a de Polignac number, because 7100139 - 2³ = 7100131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7100131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (1188090).

Almost surely, 2^7100139 is an apocalyptic number.

7100139 is a deficient number, since it is larger than the sum of its proper divisors (2404581).

7100139 is a wasteful number, since it uses less digits than its factorization.

7100139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 7100139 is about 2664.6086016524. The cubic root of 7100139 is about 192.2009885305.

The spelling of 7100139 in words is "seven million, one hundred thousand, one hundred thirty-nine".