115303136 has 48 divisors (see below), whose sum is σ = 252379008. Its totient is φ = 51494400.

The previous prime is 115303127. The next prime is 115303171. The reversal of 115303136 is 631303511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8426 + ... + 17366.

It is an arithmetic number, because the mean of its divisors is an integer number (5257896).

Almost surely, 2^115303136 is an apocalyptic number.

115303136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115303136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126189504).

115303136 is an abundant number, since it is smaller than the sum of its proper divisors (137075872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115303136 is a wasteful number, since it uses less digits than its factorization.

115303136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8987 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 115303136 is about 10737.9297818527. The cubic root of 115303136 is about 486.7213232749.

Adding to 115303136 its reverse (631303511), we get a palindrome (746606647).

The spelling of 115303136 in words is "one hundred fifteen million, three hundred three thousand, one hundred thirty-six".