131351636115 has 36 divisors (see below), whose sum is σ = 264847793184. Its totient is φ = 60046461216.

The previous prime is 131351636111. The next prime is 131351636137. The reversal of 131351636115 is 511636153131.

131351636115 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 5 + 1 + 636 + 1 + 15 = 666.

It is not a de Polignac number, because 131351636115 - 2² = 131351636111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131351636115.

It is not an unprimeable number, because it can be changed into a prime (131351636111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29782747 + ... + 29787156.

It is an arithmetic number, because the mean of its divisors is an integer number (7356883144).

Almost surely, 2^131351636115 is an apocalyptic number.

131351636115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131351636115 is an abundant number, since it is smaller than the sum of its proper divisors (133496157069).

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

131351636115 is a wasteful number, since it uses less digits than its factorization.

131351636115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59569928 (or 59569918 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

Adding to 131351636115 its reverse (511636153131), we get a palindrome (642987789246).

The spelling of 131351636115 in words is "one hundred thirty-one billion, three hundred fifty-one million, six hundred thirty-six thousand, one hundred fifteen".