140272 has 20 divisors (see below), whose sum is σ = 296856. Its totient is φ = 63680.
The previous prime is 140269. The next prime is 140281. The reversal of 140272 is 272041.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a plaindrome in base 9.
It is a nialpdrome in base 11.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223 + ... + 574.
2140272 is an apocalyptic number.
It is an amenable number.
140272 is an abundant number, since it is smaller than the sum of its proper divisors (156584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140272 is a wasteful number, since it uses less digits than its factorization.
140272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 816 (or 810 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 140272 is about 374.5290375925. The cubic root of 140272 is about 51.9585468450.
Subtracting 140272 from its reverse (272041), we obtain a square (131769 = 3632).
The spelling of 140272 in words is "one hundred forty thousand, two hundred seventy-two", and thus it is an iban number.
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