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140939 is a prime number
BaseRepresentation
bin100010011010001011
321011022222
4202122023
514002224
63004255
71124621
oct423213
9234288
10140939
1196987
126968b
134c1c6
1439511
152bb5e
hex2268b

140939 has 2 divisors, whose sum is σ = 140940. Its totient is φ = 140938.

The previous prime is 140929. The next prime is 140977. The reversal of 140939 is 939041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140939 - 28 = 140683 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (140909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70469 + 70470.

It is an arithmetic number, because the mean of its divisors is an integer number (70470).

2140939 is an apocalyptic number.

140939 is a deficient number, since it is larger than the sum of its proper divisors (1).

140939 is an equidigital number, since it uses as much as digits as its factorization.

140939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 140939 is about 375.4184332182. The cubic root of 140939 is about 52.0407717712.

The spelling of 140939 in words is "one hundred forty thousand, nine hundred thirty-nine".