131279683 has 4 divisors (see below), whose sum is σ = 138189160. Its totient is φ = 124370208.

The previous prime is 131279657. The next prime is 131279741. The reversal of 131279683 is 386972131.

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 131279683 - 2²¹ = 129182531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131279633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3454710 + ... + 3454747.

It is an arithmetic number, because the mean of its divisors is an integer number (34547290).

Almost surely, 2^131279683 is an apocalyptic number.

131279683 is a deficient number, since it is larger than the sum of its proper divisors (6909477).

131279683 is an equidigital number, since it uses as much as digits as its factorization.

131279683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909476.

The product of its digits is 54432, while the sum is 40.

The square root of 131279683 is about 11457.7346364803. The cubic root of 131279683 is about 508.2364862411.

The spelling of 131279683 in words is "one hundred thirty-one million, two hundred seventy-nine thousand, six hundred eighty-three".