2139107 has 2 divisors, whose sum is σ = 2139108. Its totient is φ = 2139106.

The previous prime is 2139091. The next prime is 2139131. The reversal of 2139107 is 7019312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2139107 - 2⁴ = 2139091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069553 + 1069554.

It is an arithmetic number, because the mean of its divisors is an integer number (1069554).

2^2139107 is an apocalyptic number.

2139107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139107 is an equidigital number, since it uses as much as digits as its factorization.

2139107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2139107 is about 1462.5686308683. The cubic root of 2139107 is about 128.8479469588.

The spelling of 2139107 in words is "two million, one hundred thirty-nine thousand, one hundred seven".