115394639 has 2 divisors, whose sum is σ = 115394640. Its totient is φ = 115394638.

The previous prime is 115394597. The next prime is 115394659. The reversal of 115394639 is 936493511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115394639 - 2¹⁶ = 115329103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115394596 and 115394605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115394659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57697319 + 57697320.

It is an arithmetic number, because the mean of its divisors is an integer number (57697320).

Almost surely, 2^115394639 is an apocalyptic number.

115394639 is a deficient number, since it is larger than the sum of its proper divisors (1).

115394639 is an equidigital number, since it uses as much as digits as its factorization.

115394639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 115394639 is about 10742.1896743634. The cubic root of 115394639 is about 486.8500410380.

The spelling of 115394639 in words is "one hundred fifteen million, three hundred ninety-four thousand, six hundred thirty-nine".