131944 has 8 divisors (see below), whose sum is σ = 247410. Its totient is φ = 65968.
The previous prime is 131941. The next prime is 131947. The reversal of 131944 is 449131.
It is an interprime number because it is at equal distance from previous prime (131941) and next prime (131947).
It can be written as a sum of positive squares in only one way, i.e., 131044 + 900 = 362^2 + 30^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (131941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8239 + ... + 8254.
2131944 is an apocalyptic number.
It is an amenable number.
131944 is a deficient number, since it is larger than the sum of its proper divisors (115466).
131944 is a wasteful number, since it uses less digits than its factorization.
131944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16499 (or 16495 counting only the distinct ones).
The product of its digits is 432, while the sum is 22.
The square root of 131944 is about 363.2409668526. The cubic root of 131944 is about 50.9092323744.
The spelling of 131944 in words is "one hundred thirty-one thousand, nine hundred forty-four".
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