140473 has 2 divisors, whose sum is σ = 140474.
Its totient is φ = 140472.
The previous prime is 140453. The next prime is 140477. The reversal of 140473 is 374041.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 110889 + 29584 = 333^2 + 172^2
It is an emirp because it is prime and its reverse (374041) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-140473 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 140473.
It is not a weakly prime, because it can be changed into another prime (140477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70236 + 70237.
It is an arithmetic number, because the mean of its divisors is an integer number (70237).
2140473 is an apocalyptic number.
It is an amenable number.
140473 is a deficient number, since it is larger than the sum of its proper divisors (1).
140473 is an equidigital number, since it uses as much as digits as its factorization.
140473 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 140473 is about 374.7972785387.
The cubic root of 140473 is about 51.9833526592.
The spelling of 140473 in words is "one hundred forty thousand, four hundred seventy-three", and thus it is an iban number.