115386819 has 8 divisors (see below), whose sum is σ = 154956480. Its totient is φ = 76370856.

The previous prime is 115386811. The next prime is 115386839. The reversal of 115386819 is 918683511.

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

It is not a de Polignac number, because 115386819 - 2³ = 115386811 is a prime.

It is a super-2 number, since 2×115386819² = 26628235997877522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115386811) 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 in 7 ways as a sum of consecutive naturals, for example, 137937 + ... + 138770.

It is an arithmetic number, because the mean of its divisors is an integer number (19369560).

Almost surely, 2^115386819 is an apocalyptic number.

115386819 is a deficient number, since it is larger than the sum of its proper divisors (39569661).

115386819 is a wasteful number, since it uses less digits than its factorization.

115386819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276849.

The product of its digits is 51840, while the sum is 42.

The square root of 115386819 is about 10741.8256828157. The cubic root of 115386819 is about 486.8390432616.

The spelling of 115386819 in words is "one hundred fifteen million, three hundred eighty-six thousand, eight hundred nineteen".