131536307 has 8 divisors (see below), whose sum is σ = 150677856. Its totient is φ = 112482432.

The previous prime is 131536271. The next prime is 131536337. The reversal of 131536307 is 703635131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131536307 - 2⁸ = 131536051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131536307.

It is not an unprimeable number, because it can be changed into a prime (131536337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18668 + ... + 24729.

It is an arithmetic number, because the mean of its divisors is an integer number (18834732).

Almost surely, 2^131536307 is an apocalyptic number.

131536307 is a deficient number, since it is larger than the sum of its proper divisors (19141549).

131536307 is an equidigital number, since it uses as much as digits as its factorization.

131536307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43837.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 131536307 is about 11468.9278923533. The cubic root of 131536307 is about 508.5674356167.

The spelling of 131536307 in words is "one hundred thirty-one million, five hundred thirty-six thousand, three hundred seven".