115300133 has 4 divisors (see below), whose sum is σ = 124169388. Its totient is φ = 106430880.

The previous prime is 115300121. The next prime is 115300139. The reversal of 115300133 is 331003511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6160324 + 109139809 = 2482^2 + 10447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115300133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115300139) 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 3 ways as a sum of consecutive naturals, for example, 4434608 + ... + 4434633.

It is an arithmetic number, because the mean of its divisors is an integer number (31042347).

Almost surely, 2^115300133 is an apocalyptic number.

115300133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115300133 is a deficient number, since it is larger than the sum of its proper divisors (8869255).

115300133 is an equidigital number, since it uses as much as digits as its factorization.

115300133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869254.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 115300133 is about 10737.7899495194. The cubic root of 115300133 is about 486.7170977846.

Adding to 115300133 its reverse (331003511), we get a palindrome (446303644).

The spelling of 115300133 in words is "one hundred fifteen million, three hundred thousand, one hundred thirty-three".