107724139 has 2 divisors, whose sum is σ = 107724140. Its totient is φ = 107724138.

The previous prime is 107724103. The next prime is 107724173. The reversal of 107724139 is 931427701.

It is an a-pointer prime, because the next prime (107724173) can be obtained adding 107724139 to its sum of digits (34).

It is a strong prime.

It is an emirp because it is prime and its reverse (931427701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107724139 - 2¹¹ = 107722091 is a prime.

It is not a weakly prime, because it can be changed into another prime (107754139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53862069 + 53862070.

It is an arithmetic number, because the mean of its divisors is an integer number (53862070).

Almost surely, 2^107724139 is an apocalyptic number.

107724139 is a deficient number, since it is larger than the sum of its proper divisors (1).

107724139 is an equidigital number, since it uses as much as digits as its factorization.

107724139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 107724139 is about 10379.0239907228. The cubic root of 107724139 is about 475.8145050244.

The spelling of 107724139 in words is "one hundred seven million, seven hundred twenty-four thousand, one hundred thirty-nine".