115131502 has 8 divisors (see below), whose sum is σ = 172870776. Its totient is φ = 57507912.

The previous prime is 115131481. The next prime is 115131503. The reversal of 115131502 is 205131511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115131502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115131503) 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, 26388 + ... + 30439.

It is an arithmetic number, because the mean of its divisors is an integer number (21608847).

Almost surely, 2^115131502 is an apocalyptic number.

115131502 is a deficient number, since it is larger than the sum of its proper divisors (57739274).

115131502 is a wasteful number, since it uses less digits than its factorization.

115131502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57842.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 115131502 is about 10729.9348553474. The cubic root of 115131502 is about 486.4797010177.

Subtracting 115131502 from its reverse (205131511), we obtain a palindrome (90000009).

The spelling of 115131502 in words is "one hundred fifteen million, one hundred thirty-one thousand, five hundred two".