131795767 has 4 divisors (see below), whose sum is σ = 133762936. Its totient is φ = 129828600.

The previous prime is 131795759. The next prime is 131795777. The reversal of 131795767 is 767597131.

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 131795767 - 2³ = 131795759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131795707) 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 3 ways as a sum of consecutive naturals, for example, 983484 + ... + 983617.

It is an arithmetic number, because the mean of its divisors is an integer number (33440734).

Almost surely, 2^131795767 is an apocalyptic number.

131795767 is a deficient number, since it is larger than the sum of its proper divisors (1967169).

131795767 is an equidigital number, since it uses as much as digits as its factorization.

131795767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967168.

The product of its digits is 277830, while the sum is 46.

The square root of 131795767 is about 11480.2337519756. The cubic root of 131795767 is about 508.9016050543.

The spelling of 131795767 in words is "one hundred thirty-one million, seven hundred ninety-five thousand, seven hundred sixty-seven".