115209514 has 16 divisors (see below), whose sum is σ = 197640000. Its totient is φ = 49341024.

The previous prime is 115209511. The next prime is 115209533. The reversal of 115209514 is 415902511.

It is a super-2 number, since 2×115209514² = 26546464232232392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115209511) 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, 36262 + ... + 39310.

It is an arithmetic number, because the mean of its divisors is an integer number (12352500).

Almost surely, 2^115209514 is an apocalyptic number.

115209514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115209514 is a deficient number, since it is larger than the sum of its proper divisors (82430486).

115209514 is a wasteful number, since it uses less digits than its factorization.

115209514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 115209514 is about 10733.5694901556. The cubic root of 115209514 is about 486.5895542007.

The spelling of 115209514 in words is "one hundred fifteen million, two hundred nine thousand, five hundred fourteen".