131796679 has 4 divisors (see below), whose sum is σ = 150624784. Its totient is φ = 112968576.

The previous prime is 131796671. The next prime is 131796697. The reversal of 131796679 is 976697131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976697131 = 1669 ⋅585199.

It is not a de Polignac number, because 131796679 - 2³ = 131796671 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 (131796671) 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, 9414042 + ... + 9414055.

It is an arithmetic number, because the mean of its divisors is an integer number (37656196).

Almost surely, 2^131796679 is an apocalyptic number.

131796679 is a deficient number, since it is larger than the sum of its proper divisors (18828105).

131796679 is an equidigital number, since it uses as much as digits as its factorization.

131796679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828104.

The product of its digits is 428652, while the sum is 49.

The square root of 131796679 is about 11480.2734723525. The cubic root of 131796679 is about 508.9027788836.

The spelling of 131796679 in words is "one hundred thirty-one million, seven hundred ninety-six thousand, six hundred seventy-nine".