140933 has 8 divisors (see below), whose sum is σ = 156408. Its totient is φ = 126144.
The previous prime is 140929. The next prime is 140939. The reversal of 140933 is 339041.
It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 82369 = 242^2 + 287^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 140933 - 22 = 140929 is a prime.
It is a super-2 number, since 2×1409332 = 39724220978, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 627.
It is an arithmetic number, because the mean of its divisors is an integer number (19551).
2140933 is an apocalyptic number.
140933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
140933 is a deficient number, since it is larger than the sum of its proper divisors (15475).
140933 is a wasteful number, since it uses less digits than its factorization.
140933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 140933 is about 375.4104420498. The cubic root of 140933 is about 52.0400332742.
Adding to 140933 its reverse (339041), we get a palindrome (479974).
The spelling of 140933 in words is "one hundred forty thousand, nine hundred thirty-three".
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