131844971 has 8 divisors (see below), whose sum is σ = 142170000. Its totient is φ = 121858560.

The previous prime is 131844967. The next prime is 131845003. The reversal of 131844971 is 179448131.

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

It is not a de Polignac number, because 131844971 - 2² = 131844967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131844961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83846 + ... + 85403.

It is an arithmetic number, because the mean of its divisors is an integer number (17771250).

Almost surely, 2^131844971 is an apocalyptic number.

131844971 is a deficient number, since it is larger than the sum of its proper divisors (10325029).

131844971 is a wasteful number, since it uses less digits than its factorization.

131844971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169309.

The product of its digits is 24192, while the sum is 38.

The square root of 131844971 is about 11482.3765397238. The cubic root of 131844971 is about 508.9649274702.

The spelling of 131844971 in words is "one hundred thirty-one million, eight hundred forty-four thousand, nine hundred seventy-one".