115140828 has 48 divisors (see below), whose sum is σ = 295271424. Its totient is φ = 34631040.

The previous prime is 115140827. The next prime is 115140859. The reversal of 115140828 is 828041511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115140795 and 115140804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115140821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14901 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (6151488).

Almost surely, 2^115140828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115140828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147635712).

115140828 is an abundant number, since it is smaller than the sum of its proper divisors (180130596).

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

115140828 is a wasteful number, since it uses less digits than its factorization.

115140828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 115140828 is about 10730.3694251410. The cubic root of 115140828 is about 486.4928361056.

The spelling of 115140828 in words is "one hundred fifteen million, one hundred forty thousand, eight hundred twenty-eight".