115130440 has 32 divisors (see below), whose sum is σ = 260225280. Its totient is φ = 45842112.

The previous prime is 115130423. The next prime is 115130441. The reversal of 115130440 is 44031511.

It is not an unprimeable number, because it can be changed into a prime (115130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (8132040).

Almost surely, 2^115130440 is an apocalyptic number.

115130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115130440 is an abundant number, since it is smaller than the sum of its proper divisors (145094840).

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

115130440 is a wasteful number, since it uses less digits than its factorization.

115130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141 (or 13137 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115130440 is about 10729.8853675144. The cubic root of 115130440 is about 486.4782052122.

Adding to 115130440 its reverse (44031511), we get a palindrome (159161951).

The spelling of 115130440 in words is "one hundred fifteen million, one hundred thirty thousand, four hundred forty".