115300139 has 2 divisors, whose sum is σ = 115300140. Its totient is φ = 115300138.

The previous prime is 115300121. The next prime is 115300181. The reversal of 115300139 is 931003511.

It is a weak prime.

It is an emirp because it is prime and its reverse (931003511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115300139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115300039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57650069 + 57650070.

It is an arithmetic number, because the mean of its divisors is an integer number (57650070).

Almost surely, 2^115300139 is an apocalyptic number.

115300139 is a deficient number, since it is larger than the sum of its proper divisors (1).

115300139 is an equidigital number, since it uses as much as digits as its factorization.

115300139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 115300139 is about 10737.7902289065. The cubic root of 115300139 is about 486.7171062273.

The spelling of 115300139 in words is "one hundred fifteen million, three hundred thousand, one hundred thirty-nine".