131049 has 6 divisors (see below), whose sum is σ = 189306. Its totient is φ = 87360.
The previous prime is 131041. The next prime is 131059. The reversal of 131049 is 940131.
It can be written as a sum of positive squares in only one way, i.e., 127449 + 3600 = 357^2 + 60^2 .
It is not a de Polignac number, because 131049 - 23 = 131041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131041) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7272 + ... + 7289.
It is an arithmetic number, because the mean of its divisors is an integer number (31551).
2131049 is an apocalyptic number.
It is an amenable number.
131049 is a deficient number, since it is larger than the sum of its proper divisors (58257).
131049 is a wasteful number, since it uses less digits than its factorization.
131049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14567 (or 14564 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 131049 is about 362.0069060115. The cubic root of 131049 is about 50.7938622795.
The spelling of 131049 in words is "one hundred thirty-one thousand, forty-nine".
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