115351540 has 12 divisors (see below), whose sum is σ = 242238276. Its totient is φ = 46140608.

The previous prime is 115351519. The next prime is 115351541. The reversal of 115351540 is 45153511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68757264 + 46594276 = 8292^2 + 6826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115351541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883769 + ... + 2883808.

It is an arithmetic number, because the mean of its divisors is an integer number (20186523).

Almost surely, 2^115351540 is an apocalyptic number.

115351540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115351540 is an abundant number, since it is smaller than the sum of its proper divisors (126886736).

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

115351540 is a wasteful number, since it uses less digits than its factorization.

115351540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767586 (or 5767584 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 115351540 is about 10740.1834248769. The cubic root of 115351540 is about 486.7894219228.

The spelling of 115351540 in words is "one hundred fifteen million, three hundred fifty-one thousand, five hundred forty".