115139827 has 8 divisors (see below), whose sum is σ = 132995952. Its totient is φ = 98515200.

The previous prime is 115139813. The next prime is 115139833. The reversal of 115139827 is 728931511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115139827 - 2¹⁵ = 115107059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115139807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307674 + ... + 308047.

It is an arithmetic number, because the mean of its divisors is an integer number (16624494).

Almost surely, 2^115139827 is an apocalyptic number.

115139827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

115139827 is a deficient number, since it is larger than the sum of its proper divisors (17856125).

115139827 is a wasteful number, since it uses less digits than its factorization.

115139827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615749.

The product of its digits is 15120, while the sum is 37.

The square root of 115139827 is about 10730.3227817247. The cubic root of 115139827 is about 486.4914262937.

The spelling of 115139827 in words is "one hundred fifteen million, one hundred thirty-nine thousand, eight hundred twenty-seven".