107920139 has 2 divisors, whose sum is σ = 107920140. Its totient is φ = 107920138.

The previous prime is 107920129. The next prime is 107920151. The reversal of 107920139 is 931029701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 107920139 - 2⁸ = 107919883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107920129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53960069 + 53960070.

It is an arithmetic number, because the mean of its divisors is an integer number (53960070).

Almost surely, 2^107920139 is an apocalyptic number.

107920139 is a deficient number, since it is larger than the sum of its proper divisors (1).

107920139 is an equidigital number, since it uses as much as digits as its factorization.

107920139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 107920139 is about 10388.4618206932. The cubic root of 107920139 is about 476.1029056873.

The spelling of 107920139 in words is "one hundred seven million, nine hundred twenty thousand, one hundred thirty-nine".