131865695 has 8 divisors (see below), whose sum is σ = 170411136. Its totient is φ = 97377696.

The previous prime is 131865677. The next prime is 131865707. The reversal of 131865695 is 596568131.

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

It is not a de Polignac number, because 131865695 - 2⁶ = 131865631 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1014287 + ... + 1014416.

It is an arithmetic number, because the mean of its divisors is an integer number (21301392).

Almost surely, 2^131865695 is an apocalyptic number.

131865695 is a deficient number, since it is larger than the sum of its proper divisors (38545441).

131865695 is a wasteful number, since it uses less digits than its factorization.

131865695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028721.

The product of its digits is 194400, while the sum is 44.

The square root of 131865695 is about 11483.2789306887. The cubic root of 131865695 is about 508.9915932238.

It can be divided in two parts, 13186 and 5695, that added together give a palindrome (18881).

The spelling of 131865695 in words is "one hundred thirty-one million, eight hundred sixty-five thousand, six hundred ninety-five".