131296135 has 4 divisors (see below), whose sum is σ = 157555368. Its totient is φ = 105036904.

The previous prime is 131296127. The next prime is 131296141. The reversal of 131296135 is 531692131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131296135 - 2³ = 131296127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131296097 and 131296106.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13129609 + ... + 13129618.

It is an arithmetic number, because the mean of its divisors is an integer number (39388842).

Almost surely, 2^131296135 is an apocalyptic number.

131296135 is a deficient number, since it is larger than the sum of its proper divisors (26259233).

131296135 is an equidigital number, since it uses as much as digits as its factorization.

131296135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26259232.

The product of its digits is 4860, while the sum is 31.

The square root of 131296135 is about 11458.4525569555. The cubic root of 131296135 is about 508.2577161253.

The spelling of 131296135 in words is "one hundred thirty-one million, two hundred ninety-six thousand, one hundred thirty-five".