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BaseRepresentation
bin100001011110110111
320222010101
4201132313
513342033
62534531
71110556
oct413667
9228111
10137143
1194046
1267447
134a566
1437d9d
152a97d
hex217b7

137143 has 2 divisors, whose sum is σ = 137144. Its totient is φ = 137142.

The previous prime is 137131. The next prime is 137147. The reversal of 137143 is 341731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137143 - 213 = 128951 is a prime.

137143 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 137143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68571 + 68572.

It is an arithmetic number, because the mean of its divisors is an integer number (68572).

2137143 is an apocalyptic number.

137143 is a deficient number, since it is larger than the sum of its proper divisors (1).

137143 is an equidigital number, since it uses as much as digits as its factorization.

137143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 19.

The square root of 137143 is about 370.3282327882. The cubic root of 137143 is about 51.5692974816.

Adding to 137143 its reverse (341731), we get a palindrome (478874).

It can be divided in two parts, 137 and 143, that multiplied together give a palindrome (19591).

The spelling of 137143 in words is "one hundred thirty-seven thousand, one hundred forty-three".